题目：

11. Between the two roads _____ a TV tower called "Skyscraper Tower".
A. stands        B. standing     C. which stands   D. stand

12. Either of you _____ going there tonight.
A. will     B. was     C. is       D. are
 
13. You as well _____ right.
A. I are      B. I am     C. as I am    D. as I are
 
14. All but Dick _____ in Class Three this term.
A. are     B. is       C. were     D. was
 
15. -- Shall I wait here for three hours?
　 --Yes. Three hours ___, __ t, , , , , o wait for such a doctor.
A. are not very long for you       B. is not long enough fo, , , , , r you
C. was not long enough for you    D. will be too long for you
 
16. Where to get the materials and how to get them _____ at the meeting.
A. have not discussed     B. have not been discussed
C. has not discussed      D. has not been discussed
 
17. I took mathematics and physics because I think that _____ very important for me to make further research in this field.
A. what is    B. they are     C. this       D. which are
 
18. Every student and every teacher _____.
A. are going to attend the meeting   B. have attended the meeting
C. has attended the meeting          D. is attended the meeting
 
19. Three fourths of the bread _____ by Bob, and the rest of the bread _____ left on the table.
A. was eaten/were    B. were eaten/was　 C. were eaten/were   D. was eaten/was
 
20. This pair of shoes _____.
A. is her      B. is hers　 C. are hers    D. are her

【答案解析】

  11-15 ACDAB    16-20 DBCDB