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Exercise 2. Use the following words to complete the sentencespeople              environment             plants             pollution        preservation           depletion            animals          impact
Câu 1: The             of the ozone layer is not a good thing for the Earth.
Câu 2: We need to protect the                   for the next generation.
Câu 3: Deforestation will lead to the extinction of rare                  due to the loss of their habitats, and extreme floods and land erosion.
Câu 4: Worldwide rainforest                            has been the aim of many environmentalists.
Câu 5:                      should make efforts to preserve the environment for the sake of themselves and their children.
Câu 6: Environmental                      is one of the greatest and most urgent problems in modern times.
Câu 7: Many countries have signed up to international agreements which aim to reduce the negative                     of climate change.
Câu 8: Any amateur gardener knows                     need two things to survive: sunlight and water.

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Exercise 5. Read the text and fill each gap with a word or phrase from the box.a.Internet               b. 'digital natives'              c. computers            d. apps                   e. devicesMobile technology can help students open the door to new horizons, making their learning flexible, motivating and speedy. It is not difficult to understand why more and more schools are encouraging mobile learning in the classroom. Smartphones, tablet (1)                     , e-readers, netbooks and laptops, etc. are gradually becoming great learning tools for students.Mobile devices make learning flexible. School computer labs with desktops are wonderful but they are not handy. Students cannot use them in the school yard during the break time or in the school canteen while they wait for lunch. Mobile learning (2)       aredifferent. They are light, portable and convenient. Students can carry these devices with them wherever they want and whenever they like.Mobile learning is motivating. Students are more excited and inspired to study when they work with different types of apps. These (3)                 not only help them understand the materials better but also motivate them to study harder both in and out of the classroom. Motivation and inspiration can lead to good results, and good results can lead to more motivation and inspiration.Mobile learning makes education speedy. Without having to leave the school building, students can instantly get information or materials necessary for their study. This can be done easily thanks to mobile devices with WiFi. The (4)                   brings the whole world into the classroom and it takes students just a few seconds to access this wonderful world of knowledge and information. Mobile technology is already here. It is up to each school to choose the time when they allow the use of mobile devices and the extent to which their (5)           can take full advantage of these devices. Hopefully,they can make the right decision quickly to help broaden students' learning opportunities both inside and outside of class.
Câu 1: (1)
Câu 2: (2) 
Câu 3: (3) 
Câu 4: (4)
Câu 5: (5) 

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Exercise 4. Finish the incomplete sentences, using which, that, who or whose.
Câu 1: Quang answered the phone. He told me you were out.
Quang........................................................................            
Câu 2: A computer technician served us. He was very nice.
A computer technician................................................................... 
Câu 3: The article is about smartphones. They have become excellent study tools.
The article is.................................................................................. 
Câu 4: This tablet is mine. Its screen has been scratched.
This tablet...................................................................................... 
Câu 5: Do you know the name of the man? His laptop was broken.
Do you............................................................................................ 
Câu 6: An e-book is an electronic book. It can be read on a mobile device.
An e-book is.................................................................................. 

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Exercise 6. Write complete sentences about air pollution, using the words and phrases below. You may have to add linking words and make changes in the word form, if necessary.
Câu 1: One / biggest environmental impacts of human activities / air pollution
Câu 2: Smoke / aircrafts / factory chimneys / bonfires / different kinds of vehicles / streets / many / other factors / damage / clean air / every day
Câu 3: Industrial factories / throw / air / huge amounts / pollutant gases
Câu 4: The air / many areas / so unclean that / people / have to / masks / going / streets
Câu 5: Air pollution / lead / greenhouse effect / make / temperature / Earth's surface / higher
Câu 6: Global warming / lead / polar ice caps melting / rise of worldwide sea levels / climate changes / other natural disasters.
Câu 7: Everyone / live / earth / should have / responsibility / reduce / air pollution / protect clean air / our survival
Câu 8: Worldwide governments / should have / control measures / reduce air pollution / and / protect / natural environment / future generation

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Complete the second sentence so that it has a similar meaning to the first one.
Câu 1: People say that they bought this shop last year.=>It is
Câu 2: "How much do you think it will cost?" he said to me.
=>He asked me ____________________________________________
Câu 3: Mr.Brown's team has lost the game. He looks very sad.=>Mr. Brown whose
Câu 4: Do you know the man who sat next to me at Nam’s birthday party last night?=>You know
Câu 5: It takes Minh 2 hours to do his homework every day.
=>Minh spends_____________________________________________
Câu 6: We were late for school because of the heavy rain.=>Because it
Câu 7: My mother used to make us clean the house.
=>We used__________________________________________
Câu 8:  "I'm working in a restaurant, and don't care much for it."she said
=>She said    
Câu 9: It’s two years since I last spoke to her. =>I haven’t
Câu 10: Going swimming in the river in the summer is interesting. =>It

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Read the second part of the text about ecotourism and answer the questions.As for transportation, ecotourists might prefer a biking or walking tour to a bus tour which may contribute to air pollution. They often avoid travelling on a cruise ship, as a cruise ship is a great source of air and water pollution, with harmful emissions sent into the air and passengers' waste dumped into the sea. A cruise ship might also cause damage to coral reefs and the ecosystem that it travels near.What about accommodation? Ecotourists choose hotels and tourism companies that hire mainly local staff, as a way to contribute to the local economy. They can also directly benefit the local people by staying in their homes and studying local traditions.What else makes tourists become ecotourists? Ecotourists take part in activities or projects to protect the local environment, such as recycling used products or cleaning up the beach. In general, if they make their trip environmentally and socially responsible, they are ecotourists.
Câu 1: Why do ecotourists prefer a biking or walking tour to a bus tour?
Câu 2: In what way can a cruise ship become a source of air and water pollution?
Câu 3: How do ecotourists benefit the local economy and local people?
Câu 4: What activities or projects can ecotourists take part in to protect the local environment?

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 Complete the text with the correct form of the words in brackets.Many people consider (1 - friend) _______ to be the most important (2 - relation) ______ they can have. It is (3 - wonder) _______ to have a friend you can talk to and share (4 - value) ________ experiences with. However, it is important to choose friends (5 - care) _________. An ideal friend should be (6 - thought) _______ and when any difficulties arise, hopefully be there for us. Of course, there will be times when we might be (7 - doubt) _______ of our friends. But, we should always talk things through in a (8 - sense) ________way and find a solution to our problems. Moreover, we should be careful not to be (9 - truth) _______. Without honesty, the bond between friends is (10 - use) ________ and not worth anything at all.
Câu 1: (1)
Câu 2: (2)
Câu 3: (3)
Câu 4: (4)
Câu 5: (5)
Câu 6: (6)
Câu 7: (7)
Câu 8: (8)
Câu 9: (9)
Câu 10: (10)

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Complete the sentences with the correct form of the words in brackets.
Câu 1: The top model was_________ dressed in an elegant evening gown. (beauty)
Câu 2: My street is__________ because it’s far from any main roads. (peace)
Câu 3: Our football team won the ________ (champion) at the end of the season and received_________ from a large company. (sponsor)
Câu 4: There are thousands of__________ people sleeping in the streets. (home)
Câu 5: I bought a _______ dress but its colours faded after I washed it. (colour)
Câu 6: I was fined because I was driving _______ (care).
Câu 7: The directions you gave us were rather ______, as we still got lost. (help)
Câu 8: I am feeling quite _______ because I didn’t get enough sleep last night. (sleep)
Câu 9: I got into a business _______ (partner) with my cousin but it ended up being ______. (success)
Câu 10: The musical performance was so ________ (power) that the audience gave the orchestra a standing ovation.
Câu 11: The witness’ statement didn’t help the police in the investigation, so it proved to be _______. (value)
Câu 12: The man was found___________ of shoplifting and sentenced to one month in prison. (guilt)
Câu 13: He has_________ completed his postgraduate studies. (success)
Câu 14: The new lazer treatment can extract teeth ________. (pain)
Câu 15: It’s just a ______ dog. There is no need to panic. (harm)

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