1.Is there a flight to paris this evening?
There ___ be .I'll phone the airport and find it out.
A.must B.would C.might D.can
2.Shall i go and buy two more bottles of beer?
No,i've already bought twenty.That ___be enough for us two.
A.ought to B.will C.may D.might
3.She __ the hospital so soon,for she hasnot yet recovered.
A.wouldn't have left B.shouldn't have left
C.mustn't have left D.didn't have to leave
4.It is said that China will soon be a member of Wto.
Well,it's wonderful that the chinese people ___have made so much progress these years.
A.must B.can C.should D.may
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