2.多亏有了绿色长城，现在他们种的棉花比以前多得多了。

　 ____ to the Great Green Wall, they can grow a lot ___ cotton than before.　　　　　　　

4.魏华把你错当成他的兄弟，是吗？

　 Wei Hua ________ you ______ his brother,didn't she?　　　　　　　　　　　

思考题： 1.人造卫星能用来向国外发送电视和广播节目

　 Man-made satellites can be ___ for ___ TV and radio programmes to foreign countries.　　　　　

3.人们兴建绿色长城是为了阻止风将土刮走。

　 People started to build the Great Green Wall ___ ___ it could stop the wind from ___ the earth away.

2.小杨毕业离校以来，我们从未收到他的来信。

　 We have never ______ ______ Xiao Yang since he _______ school for the last time.　　 　　　　　

10.One after another, three of them ___.

A.fell asleep　 B.got to asleep　 C.went to asleep　 D.were sleeping

完成句子：　 1.你想不想喝杯桔子汁？　 Do you ______ ______drinking a glass of orange?　　　　　　

9.Look ___ the words in the dictionary when you don't know ___ they mean.

A.up, what　 B.up, that　 C.for, that　 D.for, what　　　　　　　　

8.She asked me to help her ___ her Chinese.　　 A.at　 B.with　 C.for　 D.on

7.Those foreign visitors ___ our city the day before yesterday.

A.arrived　 B.reached　 C.reached to　 D.got in

6.Watching TV ___ is bad for your eyes.　 A.much too　 B.many too　 C.too much　 D.too many　　　　　　

5.Mother told me ____ in the sun.　　 A.not read　 B.don't read　 C.read not　 D.not to read