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2.-Would you like to go out to play football with me,Sam?
-I'd love to.But I haven't finished my homework _________.(  )
A.yetB.alreadyC.ever

分析 --萨姆,你愿意出去和我踢足球吗?
--我想去,但是我还没完成我的作业.

解答 答案:A.
yet意思是"已经,还"常用于否定句和疑问句,yet 用于现在完成时作"已经"讲,只用于否定句和疑问句;already意思是"已经"常用于肯定句中;ever意思是"曾经";根据"I haven't finished my homework"我还没完成我的作业,这是一个否定句,句中用了现在完成时,所以要用yet来填空,综上所述,故选A.

点评 首先要掌握这几个副词的意思,然后结合具体的题目,就可以确定正确答案.

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