Mary became an actor when she was four(对划线部分提问) ____ ____ Mary ____ an actor?when she was four下加下划线
问题描述：
Mary became an actor when she was four(对划线部分提问) ____ ____ Mary ____ an actor?
when she was four下加下划线
答
When did become 采纳吧
答
When did Mary become an actor?
答
Mary became an actor when she was four(对划线部分提问) When did__ Mary become_ an actor?
答
When did become
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