She often keep the office clean when she was at work.中的动词要怎样变化才对原题是he often -the office -when she was at work.Akeeps;cleaned Bkept;cleaned Ckept;clean Dkeep;clean

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She often keep the office clean when she was at work.中的动词要怎样变化才对原题是he often -the office -when she was at work.Akeeps;cleaned Bkept;cleaned Ckept;clean Dkeep;clean

She often keep the office clean when she was at work.中的动词要怎样变化才对原题是he often -the office -when she was at work.Akeeps;cleaned Bkept;cleaned Ckept;clean Dkeep;clean
She often keep the office clean when she was at work.中的动词要怎样变化才对
原题是he often -the office -when she was at work.
Akeeps;cleaned Bkept;cleaned Ckept;clean Dkeep;clean

She often keep the office clean when she was at work.中的动词要怎样变化才对原题是he often -the office -when she was at work.Akeeps;cleaned Bkept;cleaned Ckept;clean Dkeep;clean
这样的话选C
因为后面的从句“when she was at work"是过去式,主句和从句时态是一致的,那么主句也必然是过去式,排除了A D
然后Keep st.adj也是固定搭配,clean本身就是形容词.不能再加ED.那么最后选C

哦, 那就选C吧……

选C因为keep sth+adj. clean本身就是一个形容词所以AB排除,D的时态不对所以选C说选A的那位仁兄不要误人子弟哦