A：Where ____[be] the children?B：Look,they _______[be] over there.A：What _____they ____ they_______[do] here?B:They______[listen] to the CDs.用适当的动词形式填空.
问题描述：
A：Where ____[be] the children?B：Look,they _______[be] over there.A：What _____they ____ they
_______[do] here?
B:They______[listen] to the CDs.
用适当的动词形式填空.
答