Câu trong ảnh làm như nào các bạn ơi... 1. We should use reusable water bottles.....plastic ones.,A. because B. instead of C. despite D. however,2. Walking to school will help ..... air pollution.,A. refill B. reuse C. recycle D. reduce,3. One of the bad things about.....is that it can make fish die.,A. noise pollution B. soil pollution C. water pollution D. air pollution,4. We should go to school by bike to .....the energy.,A. save B. protect C. pollute D. spray,5. Don't forget to.....the lights when going out!,A. turn on B. turn off C. close D. shut down,6. What can we do.....air pollution?,A. reduce B. to reduce C. reducing D. to reducing,7. These three Rs .....reduce, reuse, and recycle.,A. stand up B. means C. stand for D. ask for,8. It is a good idea to.....our clothes with our friends or cousins.,A. change B. turn C. send D. swap,9. We should put a.....bin in every classroom in order to keep it clean,A. reusable B. recycled C. recycling D. recyclable,10. If we use.....paper, we will save a lot of trees.,A. less B. fewer C. more D. much,11. If we all use.....bags, we'll help the environment.,A. new B. cheap C. reusable D. reduced

Question

Accepted Answer

Here are the answers:

1. B. instead of
2. D. reduce
3. C. water pollution
4. A. save
5. B. turn off
6. A. reduce
7. C. stand for
8. D. swap
9. C. recycling
10. B. less (However, in this case, 'fewer' or 'less' can both be used, as it can be argued that 'trees' is countable. However, traditionally, when counting the number of trees, people use 'fewer trees'.) 
11. C. reusable