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

游客2024-06-21 28

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://www.tihaiku.com/zcyy/3644410.html

相关试题推荐

随机试题

最新回复(0)

(electric)______intheareahasbeencutoffforthreehoursbecauseofthunder