题目内容

--Nacy_________theletterfromhermother.No,shecan’thave.Thepostmanhasn’tcomeyet.

A. canreceive
B. canhavereceived
C. musthavereceived
D. mustreceive

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She________thefilm.Sheknowsnothingaboutit.

A. can’tsee
B. can’thaveseen
C. mustsee
D. mustn’thaveseen

Theymusthavebeenherethedaybeforeyesterday,____?

A. mustn’tthey
B. didn’tthey
C. mustn’thavethey
D. hadthey

--MustItakeabus?No,you____.Youcanwalkfromhere.

A. mustnot
B. don’t
C. don’thaveto
D. hadbetternotto

--Whydoyoumakemedoso?Iamsorrythatyou________dosuchathing.

A. would
B. can
C. should
D. may

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