A:Listen!--------the girls --------(sing) a song outside?B:What -----(be) the name of the song.

问题描述:

A:Listen!--------the girls --------(sing) a song outside?B:What -----(be) the name of the song.
--------you---------(know)?
A:Yes of course.They -------(sing) the song Do Re Me.用适当的动词形式填空

are singing
is
Do know
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