题目内容
4. 参加
4. take part in
5. 成百上千的
4. 太多的垃圾和废物
( ) 2. The air is badly. And there's more water in the world.
A. pollution;pollute B. polluted;pollution
C. pollution;pollution D. pollute;polluted
4. 我正在尽力减少对糖和咖啡因的摄取量。
I'm trying to on sugar and caffeine.
9. cut off
2. Throwing litter about is really (有害的) to the environment.
4. stop riding in cars
( ) 5. Can you help me these coats? They well these days.
A. sell;sell B. to sell;are sold
C. sell;are sold D. selling;sell
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