Computersinofficesandhomessinc

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更新 2022-09-03
科目英语
题型单选题
难度中等
浏览 1595

挑错有奖

Computers ____ in offices and homes since 1970s.

A．have been used

B．had been used

C．was used

D．has been used

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A．a; /

B．a; the

C．the; /

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A．wouldn’t have	B．should have
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The place_____ the bridge is supposed to be built should be _____ the cross-river traffic is the heaviest.

A．which; where	B．where; in which
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