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题目
题型:不详难度:来源:
By the time he realizes he ____ into a trap, it’ll be too late for him to do anything about it.
A.walksB.walkedC.has walkedD.had walked

答案
C
解析
句意为:到他意识到已经进入一个圈套的时候,对于他来说做任何事情也都为时已晚了。与by the time 连用的句子应该用什么时态, 主要是看这个时间点发生在过去还是现在或将来。句中he realizes是现在的时间点,所以要用现在完成时,如By the time he is ten, he has outgrown his older brother. 他十岁的时候就已经长得比他哥哥高了。D项一般是从句为一般过去时的时候,主句才用过去完成时。
核心考点
试题【By the time he realizes he ____ into a trap, it’ll be too late for him to do any】;主要考察你对一般现在时等知识点的理解。[详细]
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