All of them are astonished, because such a thing has never(hear)______of before.

游客2023-09-20  26

问题 All of them are astonished, because such a thing has never(hear)______of before.

选项

答案 been heard。

解析 本题考查被动语态。空格所填词为从句谓语的一部分,such a thing与从句的谓语动词存在被动关系,且从句为现在完成时,所以空格处应该填been heard。
转载请注明原文地址:https://tihaiku.com/zcyy/3031667.html
最新回复(0)