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题目
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Hello, I _______ you ______ in London. How long have you been here?
A.don’t know; wereB.hadn’t known; are
C.haven’t known; areD.didn’t know ; were

答案
D
解析
考查时态。根据句意我现在已经知道你在伦敦了,那么我不知道你在伦敦是过去不知道。所以所以过去时。句意:你好,我不知道你来伦敦了。那么在这里多久了?
核心考点
试题【Hello, I _______ you ______ in London. How long have you been here?A.don’t know;】;主要考察你对一般现在时等知识点的理解。[详细]
举一反三
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A.has parkedB.parkedC.was parkingD.had parked

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A.had caughtB.has caught fireC.was catchingD.caught

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They studied what ______ since 2007 and found Australian electricity prices were among the  highest in the developed world.
A.has happenedB.happenedC.had happenedD.has been happening

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Toni Morrison, Nobel Prize-winning American writer, says if there’s a book you really want to read, but it ______ yet, then you must write it.
A.hasn’t been writtenB.hasn’t writtenC.doesn’t writeD.isn’t written

题型:不详难度:| 查看答案
—No one answered when I phoned this morning. Where were you?
—I       for teeth in the dental clinic.
A.was being treatedB.have been treated
C.was treatedD.Treated

题型:不详难度:| 查看答案
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