I (s ) a boy crying in the street and helped him find his mother.
问题描述:
I (s ) a boy crying in the street and helped him find his mother.
答
答案是saw
答
我看见一个男孩在街上哭然后帮助他找妈妈
纯人工
答
答案是 saw 看见( 是SEE的过去时,与HELPED 时态一致)
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