33. What’s the use of keeping the secret ______ everyone has already known it?
A. as though B. now that C. before long D. in case
32. Under no circumstances ______ allowed to enter the lab without permission.
A. you are B. you will be C. are you D. have you
31. Realizing that her husband had deceived her, she demanded that she ______ the whole truth.
A. should tell B. told C. be told D. was told
30. This unfair system once prohibited ______ blacks from sitting where we liked on buses.
A. our B. we C. ours D. us
29. - Do you want tea or coffee?
- I don’t mind, ______ one you’re making.
A. however B. whenever C. whichever D. whatever
28. I’ve had enough of your bad manners. Will you please ______!
A. behave B. perform C. act D. present
27. Tom is not ______ he thinks he is!
A. as clever as half B. as half clever as C. half as clever as D. half clever than
26. I arrived only ______ that the others had already left.
A. finding B. to find C. having found D. found
25. Today’s a red-letter day, which will ______ as the greatest day in my life.
A. live out B. speak out C. stand out D. set out
24. Dinner is served at seven; please try to be ______.
A. particular B. vacant C. regular D. punctual