–What’s the noise?–It’s the drill. Since the beginning of the term, the workers _______ our heating_刷题宝

题干

–What’s the noise?
–It’s the drill. Since the beginning of the term, the workers _______ our heating system.

A：are repairing

B：have been repairing

C：will be repairing

D：repair

上一题下一题 0.0难度选择题更新时间:2019-07-25 01:00:26

答案(点此获取答案解析）

B

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