5.　　　 The lake nearby has been __________, so the water is very dirty.

4.　　　 Beijing is the __________ of China.

3.　　　 __________ more, and you’ll do it well.

2.　　　 She is so shy that she is afraid of speaking in __________.

1.　　　 I’ve got __________ books, but not so many.

101. ______________ New York and London have traffic problems.

100. He lost his book and __________________ (借) one from another boy.

99. The hotel is fully _______________ (预定) up.

98. Peter ________________ (烧开了) the kettle.。

97. Are you going __________ ___________ (搭船) or by air?