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题目
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——Did you find the missing couple in the mountain yesterday?
——No, but we _____ to get in touch with them ever since.
A.have triedB.have been tryingC.had triedD.had been trying

答案
B
解析

试题分析:考查时态题。句意:—你们昨天在山区里找到那对失踪的夫妻了吗?—没有。但是我们正在在努力和他们取得联系。根据句意说明自从过去的一个时间开始到现在,我们一直都在做的事情,那么使用现在完成进行时。故B正确。
点评:时态题的考查关键是抓住句子的上下文含义和句中的时间状语。要根据时间状语来选择合适的时态,在平时的学习中要注意积累有关时态的用法和各种时态的特殊之处。如since, so far等经常与现在完成时连用。现在完成进行时表示从过去开始的动作到现在以来一直都在发生。
核心考点
试题【 ——Did you find the missing couple in the mountain yesterday?——No, but we _____ 】;主要考察你对一般现在时等知识点的理解。[详细]
举一反三
My sister has never played tennis before. This is the first time she __________ to play.
A.is tryingB.was tryingC.has triedD.had tried

题型:不详难度:| 查看答案
Mr. Smith __________ to have a talk with you. He will be here in a minute.
A.comesB.cameC.has comeD.is coming

题型:不详难度:| 查看答案
Since the end of the war, many of the priceless antiques ______ to their rightful owners.
A.have returnedB.had returned
C.had been returnedD.have been returned

题型:不详难度:| 查看答案
I"m sorry you ______ so long, but it" ll still be some time before Jim gets back.
A.waitB.waitedC.had waitedD.have been waiting

题型:不详难度:| 查看答案
When she entered the police station, she recognized the man who ______ her at once.
A.was attackingB.attackedC.had attackedD.would attack

题型:不详难度:| 查看答案
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