4.　　　 在二十世纪初，世界人口大约为17亿。

At the __7_________ 　8_________ the twentieth century, the world population

was about 1.700 million.

3.　　　 没有茶，我们只好喝水了。

There was no tea, so we _5_________　 _6________ drink water.

2.　　　 我在那里呆了不到一小时。

I stayed there for _3_________　 _4________ an hour.

1.　　　 如果你不努力学习，你就会落后于其他同学。

If you don’t study hard, you will __1________　 _2_________ others.

5.　　　 How long did you spend in _____________ ( do ) the interesting work.

C. 根据汉语完成句子，每空限填一词(10分)

4.　　　 He works hardest but gets the ____________ ( little ) money of all.

3.　　　 Chinese has a large number of ____________ ( speak ).

2.　　　 The twins are __________( Germany ).

1.　　　 What a ___________ ( sun ) day it is!

5. right now ____________________

B. 用括号内所给单词的适当形式填空(5分)