答案A为什么,C为何不可以?If you want to improve your listening skills,you should often _____tapes after class.Alisten to B listen C listens to D hear

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答案A为什么,C为何不可以?Ifyouwanttoimproveyourlisteningskills,youshouldoften_____tapesafterclass.AlistentoBlis

答案A为什么,C为何不可以?If you want to improve your listening skills,you should often _____tapes after class.Alisten to B listen C listens to D hear
答案A为什么,C为何不可以?
If you want to improve your listening skills,you should often _____tapes after class.
Alisten to B listen C listens to D hear

答案A为什么,C为何不可以?If you want to improve your listening skills,you should often _____tapes after class.Alisten to B listen C listens to D hear
C 是动词第三人称单数形式,这里是情态动词should之后,不论人称都是动词原形.

should 后面跟动词原形

should 后边要接动词原形啊!!!

should是情态动词,后面应该+动词原形,所以选A不选C

should是情态动词,情态动词后面的动词必须用原形

因为you不是第三人称

是因为 you。
i, you, we, they 后面的动词没有(s).
所以不可以放C.

should是情态动词