----Why isn’t Cathy here yet?--- She _________ to be picked up at the station．A．

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----Why isn’t Cathy here yet?
--- She _________ to be picked up at the station．

A．could wait	B．must wait
C．might be waiting	D．can be waiting

答案

解析

略

举一反三

He ______ the money, for he is not such kind of person.

A．can’t have stolen

B．mustn’t have stolen

C．can’t steal

D．may not steal

题型：不详难度：| 查看答案

The teacher said we____ten lessons by the end of this term.

A．should have studied	B．were going to study
C．have studied	D．should study

题型：不详难度：| 查看答案

____your letter, I would have set off two days ago.

A．Had I received	B．Should I received
C．If; could have received	D．If I received

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－It was the headmaster, Tony. You______hello to him.
－Sorry. I didn"t notice him.

A．must say	B．should say
C．must have said	D．should have said

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The telephone rang but I didn’t hear it. I _________ asleep.

A．must be

B．ought to have been

C．should be

D．must have been

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