Ⅰ. 用本模块恰当的单词补全语境
1. concentrate (集中)on my study
2. write an essay (文章)
3. pass(超过) the other runners
4. avoid the disadvantage(缺点) of the system
5. summarize the official statistics(统计数字)
6. shorten(缩短) the meeting in half
7. give a definite(明确的) answer
8. watch a fantastic(极好的) play
9. be independent(独立的) of your parents
10. write to me frequently(经常地)
11. work out the average(平均的) time
12. look at it sideways(横着地)
