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题目
题型:不详难度:来源:
----I’m sorry, but there is no smoking on this flight.
----Oh, I _____ that. Sorry, I won’t again.
A.don’t knowB.didn’t knowC.won’t knowD.haven’t known

答案
B
解析
本题考查在具体语言环境下使用基本时态的能力。“不知道”是发生在说话之前的事情,所以我们要用瞬间过去时。
核心考点
试题【----I’m sorry, but there is no smoking on this flight.----Oh, I _____ that. Sorr】;主要考察你对一般现在时等知识点的理解。[详细]
举一反三

—May I remind you that a Mr. Wang is waiting outside, sir?
—Oh, that’s right. I     about it.
A.forgetB.had forgottenC.forgotD.have forgotten

题型:不详难度:| 查看答案
Unluckily, when I dropped in , Dr. Smith ____, so we only had time for a few words.
A.was just leavingB.has just leftC.had just leftD.just left

题型:不详难度:| 查看答案

I haven" t seen Mary these past few days. I m afraid she ____ herself for some time.
A.isn"t feelingB.hasn" t been feeling
C.hadn"t been feelingD.wasn"t feeling

题型:不详难度:| 查看答案

I ____  to send him a telegram to congratulate him on his marriage, but I ____ it.
A.hoped, hadn’t managedB.has hoped, didn’t manage
C.hope, don’t manageD.had hoped, didn’t manage

题型:不详难度:| 查看答案
—We didn’t find Smith attending the lecture.
—No one ___ him about ___ a lecture the following day.
A.had told, there to beB.told, there was
C.had told, there beingD.told, there to be

题型:不详难度:| 查看答案
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