TRANG 4-5
=>
1.
1. G
2. A
3. F
4. H
5. D
6. B
7. E
8. C
2.
1. poisoning 2. dead 3. contaminate
4. polluted 5. damaged 6. pollutant
3.
1. because => so
2. because of => because/ since
3. led in => led to
4. result to => result in
5. cause => make
6. so => because/since
B4.
1. C => If the Earth gets warmer, the sea level will rise.
2. E => Things will change for the better if we take action immediately.
3. D => If people fly less, carbon emissions will be reduced.
4. A => Air pollution will become worse in the city if we have more cars.
5. F => We will regret it in the future if we use too much energy now.
6. B => There will be less water pollution if the factory treats its waste well.
B5.
1. If I were/was you, I would plant vegetables in the garden.
2. More tourists would come here if the beach were/was cleaner.
3. What would happen if there was no cars in the world?
4. If I were/was his mother, I would ask him to tidy his room every day.
5. If there were/was no war, people would live more happily.
6. The soil wouldn’t be so polluted if the farmers didn’t use much chemical fertilizer.
B6.
1. If I could travel back to the 19th century, I would meet my grandparents.
2. If I get a good mark in my test, my parent will give me a small gift.
3. If I have some free time this weekend, I will go to the park for a walk.
4. If I saw a ghost at night, I would scream loudly and run as fast as possible.
5. If we cycle more, we will make air pollution less serious.
6. If I were a superhero, I would put all cruel people into prison
