We use cameras to take photos.(保持句意)Cameras _______ ______ _______ take photos.
问题描述:
We use cameras to take photos.(保持句意)
Cameras _______ ______ _______ take photos.
答
are used to
被动句 be 动词加原句中的动词过去是就可以了
答
Cameras are used to take photos.