13．A。be paid付给薪水，意为“工人们的薪水几乎不够维持生活”。

12．D。这是it doesn’t matter的疑问形式。

11．C。第一空是泛指雪是白色的，后面的空是指覆盖在那座山上的雪是一个美丽的景观。

10．D。本句可以用这种语序就更明了：I’m not sure whether I’ll have time. “whether”可接在“not+adj.”之后。

9．C。从题干knew确定时间是过去时。pretend to have done意为假装已干了。

8．B。理发了，带着墨镜“让人认不出”。

7．C。本题考查介词+关系代词引导的定语从句，本句要表达的意思是：Getting water is not the least one of the problems，of表所属。

6．D。be getting lost正在消失，表状况。consider doing考虑做某事。

20．-Oh, you have made the same mistake again.

-______. How ______ I was!

A. So have I; careless　 　　　　 　　　　B. So I have; careful

C. So have I; careful　 　　　　 　　　　D. So I have; careless

[答案]

19．The crocodile looked ______. The monkey ______ from the tree by its tail. It was laughing.

A. up; was hanging　　　　　　　　 B. around; was hanged

C. over; was being hung　　　　　　 D. down; was hung