—ItisalongtimeIsawyoulasttime.

—It is a long time I saw you last time.
—Yes. And it will be a long time we see each other again.

A．when; before	B．after; when
C．since; before	D．since; until

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Helen ______ go on the trip with us, but she isn’t quite sure yet.

A．shall

B．must

C．may

D．can

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— Tom is never late for work. Why is he absent today ?
— Something _______ to him.

A．must happen	B．should have happened
C．could have happened	D．must have happened

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If I ________ plan to do anything I wanted to. I’d like to go to Tibet and travel through as much of it as possible.

A．would

B．could

C．had to

D．ought to

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— Do you know where David is ? I couldn’t find him anywhere.
— Well. He ______ have gone far –his coat’s still here.

A．shouldn’t

B．mustn’t

C．can’t

D．wouldn’t

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— Catherine, I have cleaned the room for you.
— Thanks. You ______ it. I could manage it myself.

A．needn’t do	B．needn’t have done
C．mustn’t do	D．shouldn’t have done

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