5.Alltheirattemptstothechildfr

5.All their attempts to ________ the child from the burning building were in vain.

A．regain

B．recover

C．rescue

D．reserve

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A．to clean

B．cleaning

C．cleaned

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---I missed the first part of the film. It was really a pity.
----You home half an hour earlier.

A．should go

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A．will you come

B．do you come

C．you come

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---- . Please go ahead.

A．Never mind

B．Of course not

C．Yes, I do

D．That’s all right

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