6. We’d better take our own cloth bags when we go shopping instead of using _______(塑料制的) bags.

5.　　 - Would you please _______(挑拣) out some bigger apples for me?

- Of course I will.

4. We should _______(关心) for our parents. It’s the right thing for us to do.

3. My computer doesn’t work. I have to get somebody to _______(修理) it.

2. I think it’s _________(必要的) for us to master(掌握) a foreign language.

1. Even the simplest everyday activities can _________(减少) pollution.

5. 他们不得不想出个新办法来阻止她花更多的钱来买衣服。

They had to work out a new way of ________________________________ on the clothes.

4. 昨晚，Bill直到12点才上床睡觉。　　　　

Bill _________________________________ 12 o’clock last night.

3. 这本书的副本，不是Sam有，就是Ben有。　　　　　　　　　

_______________________________ a copy of the book.

2. 快点儿，不然你上课要迟到了。

Hurry up, or you will ________________________ class.