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All of them are astonished, because such a thing has never(hear)______of before.
All of them are astonished, because such a thing has never(hear)______of before.
admin
2016-10-21
34
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。
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本试题收录于:
大学英语三级A级题库大学英语三级分类
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大学英语三级A级
大学英语三级
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