—Listen!IsMarysinginginthenext

—Listen! Is Mary singing in the next room?
—No. It _______ be Mary．She has gone to Shanghai for an important meeting.

A．can’t

B．may not

C．mustn’t

D．needn’t

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相关试题

Annie _______ to the party. She had a wonderful time with us.

A．invites	B．is invited
C．was invited	D．has invited

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The bus is coming. Be careful when you _____the bus.

A．get on	B．get over
C．get up	D．get down

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—The passage is too hard to understand.
—Yes, ________ it's very short and there are no new words in it.

A．so	B．as
C．because	D．though

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______ lucky we are to have so many responsible teachers!

A．What

B．How

C．What a

D．How a

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—I don’t know how _______ this weekend
—Why not consider going hiking in JingYue Park? There are many places of interest there.

A．relax	B．relaxed
C．to relax	D．relaxed

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