____you ____（hear）the girl ____(sing)in the next room in this morning?为什么不能用Have you?

题目

____you ____（hear）the girl ____(sing)in the next room in this morning?为什么不能用Have you?

答案

Did_you hear (hear）the girl singing(sing)in the next room in this morning?
因为有时间状语【in this morning】,只能用一般过去时
第三空【hear sb doing sth】用动名词