题目内容

Children________inpublicveryoften.

A. shouldbepraised
B. shouldn’thavepraised
C. shouldn’thavebeenpraised
D. shouldn’tbepraised

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Tom_______showhisexamresultstohisparents.

A. darenot
B. dared
C. dareto
D. daresnotto

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

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

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

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