題目：

21.? This pair of shoes ____made in Nanjing.

??? B. are??? C. have been??? D. had been

22. No one except my parents _____anything about it.
??? A.???? know???? B. knows ? ? C. is knowing? D. have known

23. A number of students _____from the south.
??? A. are??? B. is??? C. have??? D. has

24. The number of students from the north ____small.
??? B. is??? C. have??? D. has

25. Writing stories and articles _____what I enjoy most，
??? B. are??? C. was??? D. were

26. His “Selected Poems” _____first published in 1965.
??? B. was??? C. has been?? D. are

27. Miss Smith is a friend of ______.
??? A. Mary‘s mother’s????????? B. Mary‘s mother
? ?C. Mother’s of Mary???????? D. Mary mother‘s

28. A good deal of money ____spent on books.
??? A.???? have?????? B. has???????????
? ? C. have been??????? D. has bee

29. On the wall _____ two large portraits.
? ? A.???? hangs???? B. hang???????? C. hanged????? D. hanging

30. _____turn green in spring.
??? A. Leaf?? B. Leafs??????????? C. Leave????????????? D. Leaves

【答案解析】

??21-25 ABABA??????? 26-30 BADBD