．—Stevecomebackbecausethewindo

．—Steve come back because the window is open．
—Yes．but he _______left it open last night．

A．must have；might have	B．might have；can’t have
C．can have；should have	D．might；must have

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The politician was deeply hurt when many of his former supporters voted _____ him, and he lost his place in the government.

A．for

B．to

C．against

D．at

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The kind lady devoted all her life to _____ those homeless children.

A．help

B．helping

C．be helping

D．being helped

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A large number of people are _____, and how can the local government ignore the problem?

A．at work

B．in work

C．out of work

D．after work

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—Could I use your computer for a few moments, please?
— . I’m not using it myself.

A．Come on

B．It depends

C．Go ahead

D．That’s great

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—Have you ___________?
—No. I had the wrong number.

A．got in

B．got away

C．got off

D．got through

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