31. What ____ it is!

　 A. a heavy rain　 B. heavy rain　　 C. a heavy rains　　 D. heavy rains

30. I saw ____ old man walking across the street and ____ old man looked worried.

　 A. an, an　　　 B. the, the　　　 C. an, the　　　　　 D. the, an

29. We can see the sun in ____ daytime, but we can’t see it at ____ night.

　 A. a, the　　　　 B. the, /　　　　 C. a, /　　　　　　 D. an, /

28. There’s ____ apple tree behind ____ house.

　 A. an, the　　　 B. a, a　　　　　 C. an, a　　　　　 D. the, the

27. ____ fine weather we have today! Let’s go swimming.

　 A. What a　　　 B. How　　　　　 C. What　　　　　 D. How a

26. We have had ____.

　 A. good dinner　 B. a good dinner　 C. the good dinner　 D. good dinners

25. We are going to have an exam ____.

　 A. in the class　 B. in a class　 C. at the class　　 D. in class

24. Tom’s brother hit Bob on ____ nose.

　 A. his　　　 B. the　　　 C. its　　　　 D. a

23. ____ have studied English in our school.

　 A. Most of students　　　　　　　 B. The most students

　 C. Most of the students　　　　　 D. Most students

22. The little boy wishes to be ____

　 A. Lei Feng　　 B. the Lei Feng　　 C. this Lei Feng　　 D. a Lei Feng