28. I think diving is ______ (difficult) activity of all.

27. She is ______ (old) of us all.

26. Mr Read is very ______ (short).

25. 北京的旅馆冬天常常降价。

Hotels in Beijing usually ______ ______ ______ in winter.

IV. 用括号内所给形容词的适当形式填空。(10分)

24. 李雷是我所知道的个子最高的人。

Li Lei is the ______ person ______ ______.

23. 张伟和李强跑的一样快。

Zhang Wei runs _______ _______ _______Li Qiang.

22. 让我们去最近的饭店吃晚饭吧。

Let's go to ______ ______ restaurant for supper.

21. 你认为你们班谁唱歌最好？

Who ______ ______ ______ sings the best in your class?

20. Mary is the youngest ______ the three girls.

A. in B. than C. of D. at

III. 汉译英。(10分)

根据汉语意思完成下列各句，每空一词。

19. Let's have a rest, ______?

A. will you B. won't you

C. don't you D. shall we