高中英语现在完成时时态重难点归纳
单选题(经典例题高频考点-名师出品必属精品)
1、I won’t tell the student the answer to the math
problem until he______ on it for more than an hour.
A.has been working
B.will have worked
C.will have been working
D.had worked
答案:A解析:考查动词时态和主谓一致。句意:这个学生做这道数学题做了一个多小时,我才会告诉他答案。根据
“for more than an horn”
可知现在完成进行时态表示一个从过去开始,进行到现在,并且有可能继续下去的动作,主语
he是第三人称单数,因
此空格处用
has been working
,故选A。2、Amy ________ about finding a new job for a whole year, but she hasn’t made her final decision yet.
A.thought
B.has thought ...


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