Today, computers are really helpful. They ____ everywhere._刷题宝

题干

Today, computers are really helpful. They ____ everywhere.

A：use

B：are used

C：used

D：were used

上一题下一题 0.0难度选择题更新时间:2019-06-28 09:59:16

答案(点此获取答案解析）

B

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