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是关于非谓语的,请告诉我选什么,,最好能告诉我为什么选这个

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/16 09:53:46
是关于非谓语的,请告诉我选什么,,最好能告诉我为什么选这个
1.Once lost,-------.
A.to get such a chance is difficult B.such a chance will never come again
C.one can never get such a chance D.there'll be no such a chance
2.We often send people there-----opinions from the villagers.
A.to collect B.collecting C.to collecting D.collected
3.The professor could hardly find sufficient grounds -----his arguments in favor of the new theory.
A.to be based on B.to base on C.which to base to D.on which to base
4.Their house was on fire last night but no one---.
A.burnt B.burn C.get burnt D.got burnt
1B
once引导时间状语从句,主从句主语一致,切当从句谓语动词为be动词时才可省略从句中的主语和谓语动词,所以从句补全就是,Once the chance is lost
2.A目的状语
3.D
which指代ground...
前面的介词on必须有,因为这里相当于用了base on the ground这个短语..在定语从句中当用which指代了ground,ground前面的on还是应该存在.但这时候自然要加在 which前面,所以变成了on which to base
4D
人是被烧伤.被动语态.这里get burnt就是被烧伤.
no one got burnt或者no one was burnt都对.