He doesn’t plan to go back to his home________he makes a fortune in Hong Kong.
A.while | B.since |
C.or | D.until |
It’s a very kind offer, but I really _____ accept it.
A.mustn’t | B.needn’t |
C.can’t | D.don’t |
That car nearly hit me; I ______.
A.might be killed | B.might have been killed |
C.may be killed | D.may been killed |
“I called you yesterday. A woman answered, but I didn’t recognize her voice.” “Oh, it _____ my aunt Jean.”
A.must be | B.must have been |
C.might be | D.can have been |
“I thought you wouldn’t mind.” “Well, as a matter of fact I don’t, but you _____ me first.”
A.should ask | B.should have asked |
C.must ask | D.must have asked |
You _____ be right, but I don’t think you are.
A.can | B.could | C.must | D.should |