—Will you attend the meeting this afternoon?  
—But I ________ told anything about it.
| A.wasn’t | B.am not | C.haven’t been | D.won’t be | 
.—You were brave enough to raise objections at the meeting.
  —Well, now I regret ___ that.
| A.to do | B.to be doing | C.to have done | D.having done | 
---What can I do for you?
  ----- If you _____ see Mr. Smith, give him my regards.
| A.will | B.would | C.shall | D.should | 
It has been announces that all takers ____ remain in their seats until all the exam papers have been collected.
| A.can | B.may | C.shall | D.will | 
---John, how did your English exam go?
  -----I thought I ____,but in fact I came in the top 10% in the class.
| A.should have failed | B.couldn’t have failed | 
| C.might have failed | D.mustn’t have failed | 
---I feel the house shaking.
 ----So do I .It ___ must be sign of an earthquake most probably. Let’s hurry to leave here.
| A.ought to | B.could | C.can | D.might |