he said he would ring me up, but he didn’t ___my telephone number?A．Has he forgo

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he said he would ring me up, but he didn’t ___my telephone number?

A．Has he forgotten

B．Must he forget

C．Must he have forgotten

D．Could he have forgotten

答案

解析

略

举一反三

Tom was absent from school today. We guess he .

A．must have overslept	B．could have been overslept
C．should have overslept	D．ought not to have overslept

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My suggestion is that tomorrow.

A．Torn will be taken to Beijing	B．Torn is going to Beijing
C．Tom is to leave for Beijing	D．Tom be taken to Beijing with us

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—Are you coming to the English evening?
—I"m not sure. I ________ go to the concert instead.

A．must

B．would

C．should

D．might

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. ------ The door was open.
----- It ___________open. I had locked it myself and the key was in my pocket.

A．can’t be

B．mustn’t be

C．can’t have been

D．mustn’t have been

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____________you leave now, since here so much work has not been done yet?

A．Shall

B．Must

C．Should

D．Can

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