英语翻译

题目

英语翻译
你有听他说什么时候回来吗?
翻译成为：
“Didyou hear him say at which time he’s come back?”

答案

Have you heard him saying when he would be back?
hear 和 say 两个动词不能连用.at which time很别扭,也不常用,应该用when
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