II. Choose the best answer (2 pts) 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