Youcan’tusethemachinetodaybeca

You can’t use the machine today because some parts this week.

A．are replaced

B．are being replaced

C．have replaced

D．are replacing

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相关试题

Nobody noticed the thief slip into the house because the lights happened to .

A．be put up

B．turned off

C．turn on

D．goes out

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Every autumn peasants the soil to destroy the weeds.

A．turn down

B．turn up

C．turn over

D．turn on

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His parents died when he was young, so he had to .

A．drop in

B．drop on

C．drop out

D．drop at

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Answering questions from readers throughout the country is the major work of the author.

A．a sort of

B．all sorts of

C．all kinds of

D．both B and C

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The man who lived next door to be a thief.

A．was proved

B．was proving

C．proving

D．proved

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