学位英语考试练习题（二）
A. had you B. didn‘t you
C. did you D. weren‘t you
24. Don‘t forget to post the letter for me， _____ ？
A. do you B. will you
C. are you D. can you
25. Not until I came to China ______ what kind of a country she is.
A. I knew B. I didn‘t know
C. I did know D. did I know
26. I don‘t believe you are a student now， ____ you？
A. did B. are
C. will D. don‘t
27. Do what you think is right， _____ they say.
A. however B. whatever
C. whichever D. if only
28. _____ is well known， light， like heat， is a form of energy.
A. It B. what
C. Just as D. As
29. We can hardly avoid making any mistakes in our work _____ hard we try.
A. whatever B. how
C. no matter D. however
30. They are _____ students that they all performed well in the nationwide examinations.
A. so diligent B. such diligent
C. so much diligent D. such very diligent
31. Young _____ he is， he knows what is the right thing to do.
A. that B. as
C. although D. however
32. Someone borrowed my umbrella， _____ ？
A. didn‘t he B. didn’t they
C. did he D. did they
33. Nothing dangerous ever happened， _____ ？
A. did it B. didn‘t it
C. do it D. does it