．IfItoolatelastnight,Icouldnot

．If I _________too late last night, I could not have fallen asleep in class.

A．didn’t stay up	B．hadn’t stayed up
C．don’t stay up	D．haven’t stayed up

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相关试题

The film star was surrounded by the audience ___________ he stepped off the stage.

A．at once	B．the instant
C．now that	D．at the moment

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Once lost, _____________.

A．it is difficult to get such a chance again.

B．such a chance will never come again.

C．one can never get such a chance.

D．to get such a chance will be difficult.

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us to finish the work today and I’ll be pleased to go.

A．Join	B．Joining
C．If you join	D．To join

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Some insects ________the colour of their surroundings to protect themselves

A．take on	B．take in
C．take off	D．take up

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—What about talking with others while learning spoken English?
—In my opinion, .

A．it makes sense	B．It’s out of the question
C．it’s up to you	D．it’s hard to say

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