30．Please ____________ ____________ (戴上)your hat．

29．____________ ____________ (别担心)about us．

28．___________ _____________ (顺便说)，here are some pictures for you.

27．Please send me an____________ (电子邮件)soon．

26．want to go to Canada____________ (下一周)

25．We_______________ (have)fun in Beijing last Week．

　　 (二)根据汉语提示完成句子(5分)

24．I hope you will_______________ (enjoy)your trip．

23．He must_______________ (ask)for permission．

22．Jenny wants him_______________ (come)to Canada．

　　 (一)用所给同的适当形式填空(5分)

21．__________________(not look)out of the window．