giúp mk vs cần gấp lắm Tìm số tự nhiên có 2 chữ số biết rằng chữ số hàng chục ít hơn chữ số hàng đơn vị là 2 đơn vị.Nếu viết thêm chữ số 1 vào giữa hai chữ số đã cho thì được số mới lớn hơn số cũ 460 đơn vị

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mong thầy cô các bạn giúp em giải với ạ Exercise 6. Complete the following sentences with the correct form of verbs given in the box (to-infinitive or participles). borrow, say, direct, explain, study, reach, read, take, trap, stand 1. Her book, ..................... by people all over the world, are still popular. 2. With both children ..................... at university, the house seems really quiet. 3. Jim was the last boy ..................... the top. 4. Books ..................... from the library must be returned in two weeks. 5. I had a long talk with Jack, ..................... why it was important for him to work hard. 6. The train ..................... on platform 5 is for Manchester. 7. She got a letter from the Tax Office ..................... that she owes them $1,000. 8. Birdman, ..................... by Stephen Spielberg, will be published next month. 9. Lady Astor was the first woman ..................... her seat in Parliament. 10. Firemen have rescued passengers ..................... in the burning coach. Exercise 7: choose the best option 1) “Have you ever met the man ____ over there?” “No. Who is he?” A. stands B. is standing C. standing D. who he is standing 2) The boy ____ the piano is my son. A. who is playing B. that is playing C. playing D. All are correct 3) ____ by his parent, this boy was very sad. A. Punished B. Punishing C. To be punished D. Be punished 4) We have apartment ____ the park. A. overlooking B. overlooks C. to overlook D. overlooked 5) He was the last person ____ in this way. A. to kill B. who killed C. being killed D. to be killed 6) Nellie Ross of Wyoming was the first woman _____ governor in the United States. A. who elected B. to be elected C. was elected D. her election as 7) ____ in large quantities in the Middle East, oil became known as black gold because of the large profit it brought. A. Discovering B. Discovered C. Which was discovered D. That when discovered 8) She is the only in the discussion ____ to using nuclear power. A. objects B. objected C. to object D. whom objects 9) Johnny was the last applicant ____ for a position in that energy station. A. to interview B. interviewing C. to be interviewed D. which is interviewed 10) The instructions ____ by Professor Johnson helped us know more about the danger of energy pollution. A. that explained B. explained C. explaining D. which explained Fill each of the numbered gaps in the following passage with a suitable word given from the box. who, time-consuming, older, similar, hobbies, other, instrument, becomes, interests, spent People may have different types of (1)..................... during their lifetime. When we are very young most of our time is (2)..................... playing with dolls or toy trucks. We also may enjoy playing in a sandbox or building with wooden blocks. When we get (3)....................., we start to pursue our first hobbies. Some kids go out for a sport like football or figure skating. These new interests can be quite (4)..................... and most children put a lot of energy into them. Some (5)............... children might get interested in less active activities like reading, painting, or stamp collecting. Others might enjoy playing an (6)..................... like the piano or the flute. As we get older, our hobbies might change or they might not. Some people (7).......... collected stamps as children might still be collecting stamps when they are 80. Other people might change their (8)...... every year depending on fashion. Some people are lucky that they have found professions that are (9)....... to their hobbies like the weekend gardener who works as a landscaper or the kid who loves computers and (10)........... a programmer.

Choose the best answer A, B, C or D to complete the sentence. Question 9. What __________________ if you saw a UFO? A: did you do B: do you do C: will you do D: would you do 20 Choose the best answer A, B, C or D to complete the sentence. Question 12. He asked me what the conservationists __________ so far to protect our environment. A: do B: did C: have done D: had done 21 Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Question 16. Thousands are staving because of the failure of this year’s harvest. A: hungry B: rich C: poor D: full 22 Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) to each of the following questions. Question 15. As a government official, Benjamin Franklin often traveled abroad. A: alone B: secretly C: widely D: overseas 23 Choose the best answer A, B, C or D to complete the sentence. Question 7. Working hours will fall to under 35 weeks, __________________? A: will they B: won’t they C: will it D: won’t it 24 Choose the best answer A, B, C or D to complete the sentence. Question 11. Alexander Graham Bell was a great___________, who invented the telephone. A: conservationist B: scientist C: developer D: explorer 25 Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits blank (21). Do you know about the history of Jeans? Jeans are very popular with (17)________people all over the world. Some people say that jeans are the “uniform” of youth. But they haven’t always been popular. The story of jeans (18)________almost two hundred years ago. People in Genoa, Italy made pants. The cloth made in Genoa was (19)________“jeanos”. The pants were called “jeans”. In 1850, a salesman in California began selling pants made of canvas. His name was Levi Strauss. Because they were so strong, “Levi’s pants” became (20)________with gold miners, farmers and cowboys. Six years later Levis began making his pants with blue cotton cloth called denim. Soon after, factory (21)________in the US and Europe began wearing jeans. A: drivers B: farmers

mọi người giúp em giải với ạ Exercise 4: Rewrite these sentences using participle or infinitive phrases. 1. The children who attend that school receive a good education. ______________________________________________________________________ 2. John was the last person who left the lecture hall. ______________________________________________________________________ 3. We have an apartment that overlooks the park. ______________________________________________________________________ 4. The man who is driving the bus is my brother. ______________________________________________________________________ 5. The girl who was awarded the gold medal was very intelligent. ______________________________________________________________________ 6. I have a sister who works in the bank in London. ______________________________________________________________________ 7. Sang is the first person who reached the top of the mountain. ______________________________________________________________________ 8. The photographs which were published in that newspaper were extraordinary. ______________________________________________________________________ 9. The road that joins the two villages is very narrow. ______________________________________________________________________ 10. Some of the people who have been invited to the party can’t come. ______________________________________________________________________ 11. They had to eat standing up because they didn’t have anything that they could sit on. ______________________________________________________________________ 12 Only a few of the movies that are shown on this TV channel are suitable for children. ______________________________________________________________________ 13. Our solar system is in a galaxy that is called the Milly Way. ______________________________________________________________________ 14. Do you know the people who live in the house opposite? ______________________________________________________________________ 15. A throne is the chair which is occupied by a queen, king, or other rulers. ______________________________________________________________________ 16. The guides who are dressed in Loyalist costumes are high school students. ______________________________________________________________________ 17. Laura wore a parka which was borrowed from a friend. ______________________________________________________________________ 18. The envelop which lies on the table has no stamp on it. ______________________________________________________________________ 19. The students don’t know how to do the exercises which were given by the teacher. ______________________________________________________________________ 20. All students who don’t hand in their papers will fail in the exam. ______________________________________________________________________ 21. Trains which leave from this station take an hour to get to London. ______________________________________________________________________ 22. The candidates who are sitting for the exam are all from Vietnam. ______________________________________________________________________ 23. The city which was destroyed during the war has no been rebuilt. ______________________________________________________________________ 24. I haven’t anyone that I can go with. ______________________________________________________________________ 25. We have some picture books that children can read. ______________________________________________________________________