题目

Jim swam last Monday.(用at four last Monday afternoon改写句子）
Jim___ ___ at four last Monday afternoon.
It is not easy for them to work out that problem.
__ __that problem___mot easy for them.
Walk quickly ,or we will be late for the move.
__we__walk quickly,we will be late for the movie.
It seems that she knows everything
She__ __ __everything谢谢了 菜鸟

提问时间：2021-04-01

答案

1,was swimming过去的具体的时间点用过去进行时
2,Work out , is 把形式主语it去掉
3,If , don't 条件状语从句,主将从现
4,looks like know 看起来像是知道
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