David is watching TV in his room. (对划线部分提问)划线部分: watching TV
问题描述:
David is watching TV in his room. (对划线部分提问)划线部分: watching TV
() () David () in his room?
答
(What) (is)David (doing)in his room?
意思:大卫在他的房间里做什么?
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