Chọn đáp án đúng

I. Choose the best answer
1. If we ________ waste paper, we will save a lot of trees.
A. Repeat B. Recycle C.Rewrite D. Remark
2. Why do you often forget to __________ the lights when you go out of the classroom?
A. Turn on B. Turn off C. Close D. Shut down
3. We should put a __________ bin in every classroom in order to keep it clean?
A. Reusable B. Recycled C. Recycling D. Recyclable
4. It is a good idea to __________ our clothes with our friends or cousins.
A. Change B. Swap C. Turn D. Send
5. If we use __________ paper, we will save a lot of trees.
A. Fewer B. Less C. More D. Much
6. Don’t throw rubbish into the river because you will make it __________.
A. Greener B. Dirty C. Cleaner D. Fresher
7. These three Rs __________ reduce, reuse and recycle.
A. Stand up B. Stand for C. Ask for D. Means
8. If you have old clothes, will you give them to those __________?
A. Needs B. To need C. For needing D. In need