16.　　 A crowd________________(聚集) around to watch the two foreign tourists fighting.

15.　　 Most people tend to have admixture of strengths and_______________( 弱).

14.　　 He said he was late because of a traffic jam. But it didn’t sound like a____________(合理) enough excuse.

13.　　 Sarah was unhappy with Jim and_______________(拒绝) his offer to her help.

12.　　 The age of the students ranged from 16 to19 with an____________( 平均)age of18.

11.　　 Your work has improved in_____________(数量) and quality in this term.

10.　　 His spoken English is________________(吃惊) wonderful.

9.　　　　 I can’t wait so you had better give me an________________(立刻) reply.

8.　　　　 Try and try until you ________________(成功).

7.　　　　 Sports and games are very_________________(有价值) to people’s health.