1 . People are doing their part to solve the problem of climate change by c______ more renewable energy. （根据首字母单词拼写）

2 . While shopping, women sometimes can't help ________ ________(劝服) into buying more clothes than necessary.（根据汉语提示完成句子）

3 . As soon as the plane made an emergent landing， passengers escaped from the plane's exits by s___________ down emergency chute（溜道）. （根据首字母单词拼写）

4 . ______________ (expose) to the sun for a long time does harm to our skin. (所给词的适当形式填空）

5 . 他为了逃脱惩罚而向我撒谎。
He________________________________________________________his fault.

6 . Tommy! Stop b____________ up and down on the sofa. （根据首字母单词拼写）

7 . ______ to sunlight for too much time will do harm to one’s skin.

A．Exposed	B．Having exposed
C．Being exposed	D．After being exposed

8 . My teacher takes great trouble          me learn English, since I have a lot of trouble          it.

A．helping; learning

B．to help; to learn

C．helping; to learn

D．to help; learning

9 . In recent years, a lot of trees have been cut down, which contributes to soil ________ away.

A．washing

B．being washed

C．washed

D．to be washed

10 . It is no use _________ about such things; we can work them out together.

A．to get worried

B．to get worrying

C．getting worried

D．getting worrying