she often kept the office clean when she was at work.这个句子对吗,为什么

she often kept the office clean when she was at work.这个句子对吗,为什么
原题是这样的:she often -the office -when she was at work.
A.for making;to Bto make ;of Cfor making;at Dfor making;for
英语人气:487 ℃时间:2019-11-21 08:04:53
优质解答
不对,时态上这是一个常态的话(用了often)就应该用一般现在时she often keeps the office clean when she is at work.或者去掉often,改成she used to keep the office clean when she was at work.(过去常常) she...
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