Jack a dull boy? What this means is that if you study all the times(time)

　you will become a boring person. You must go out and having(have) fun with your friends, otherwise you will lose him(them). No one wants to be friends with the person who th＼at only works and studies. Perhaps you have a confidence problem. Please

try ∧to remember that the work you do is for yourself rather than to(for)

anyone else. You do not have to compete∧against your classmates. No one can be

happier(happy) in studying seven days and seven nights a week.

Module 2 Traffic Jam

20. 解析：选B。句中but表示转折，与hard相对应，此处应该用important。

19. 解析：选A。take one’s seat 就座。

18. 解析：选B。上文说drive you to school，此时应该是get to the school。

17. 解析：选C。用correct才能与上文相符。

16. 解析：选C。作业都做对了，应该说是a great student。故选C。

15. 解析：选B。此空可以从句意和搭配入手。miss lesson不符合句意；“学习功课”应该用learn lesson。故选B。

14. 解析：选D。此处用because引导原因状语从句。

13. 解析：选A。根据下段首句中的check确定，此处应该选A。

12. 解析：选D。根据上下文判断应选D。