Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

IV. Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.
Have a walk (1) a beach, listen to the sound of the sea waves, and suddenly you see a lot of rubbish on the beach. Pollution takes away all the (2) of our beaches. I feel really annoyed (3) I see plastic bags lying on the sand, cigarette ends buried in the sand, and soda cans floating in the sea.
There are a lot of things that we can do. (4) we see rubbish, we should do our part in the protecting the land (5) picking it up and throwing it in dust bins. (6) , we can form some kind of organization that helps (7) the beaches. If everyone does their part, the beaches will be a wonderful and beautiful place. We need to start now (8) the beaches are damaged beyond repair.
1. A. on B. in C. at D. over
2. A. beauty B. beautifully C. beautiful D. being beautiful
3. A. before B. after C. when D. while
4. A. While B. Soon C. Unless D. If
5. A. by B. with C. of D. in
6. A. Nevertheless B. Moreover C. However D. Therefore
7. A. cleaning up B. cleaning up C. clean up D. clean off
8. A. when B. after C. until D. before

V. Read the following passage and then answer the questions below it.
Air pollution is a cause of ill-health in human beings. In a lot of countries there are laws limiting the amount of smoke which factories can produce. Although there isn’t enough information on the effects of smoke in the atmosphere, doctors have proved that air pollution causes lung diseases.
The gases from the exhausts of cars have also increased air pollution in most cities. The lead in petrol produces a poisonous gas which often collects in busy streets surrounded by high buildings. Children who live in areas where there is a lot of lead in the atmosphere cannot think as quickly as other children and they are clumsy when they use their hands.
There are other long-term effects of pollution. If the gases in the atmosphere continue to increase, the earth’s climate may become warmer. A lot of the ice near the Poles may melt and may cause serious floods.
1. What can make people sick?
=> Air pollution can made people sick_____
2. Where does smoke come from?
=> _Smoke comes from the exhausts of cars
3. Can air pollution cause lung diseases?
=> ___Yes , it can___
4. What else can cause air pollution in cities?
=> The lead in petrol produces a poisonous gas can cause air pollution in cities
5. Why does the earth’s climate become warmer?
=> Because there are other long-term effects of pollution_

1 They will hold the concerts at the university.
=> The concerts will be held at the university
2 Lan said,’’I will spend this summer holiday in Nha Trang’’.
=> Lan said that she would spend this summer holiday in Nha Trang
3 We were very delighted because we passed the english exam.
=> We passed the English exam ; we were very delighted
4 The last time they played baseball was in June. ( câu này mình chưa được học ;-; )
The whole village may be destroyed by the storm
If we didn't litter a lot, the playground wouldn't be very dirty
We have studied English since 2000