All of them are astonished, because such a thing has never______ (hear) of before.

admin2010-06-03  40

问题 All of them are astonished, because such a thing has never______ (hear) of before.

选项

答案been heard

解析 此处空格为谓语的一部分,与其主语such a thing为被动关系,所以应该用其被动语态。
转载请注明原文地址:https://jikaoti.com/ti/QN3MFFFM
0

最新回复(0)