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题目
题型:不详难度:来源:
Though iPhone 4 is such a hit product, I won’t buy one unless its after service ______.
A.was improved B.gets improvedC.is improving D.had got improved

答案
B
解析
主句I won’t buy one用的是一般将来时态,所以unless引导的条件状从要用一般现在时表将来;且its after service和improve的动宾关系,所以用一般现在时态的被动语态。选B。
核心考点
试题【Though iPhone 4 is such a hit product, I won’t buy one unless its after service 】;主要考察你对一般现在时等知识点的理解。[详细]
举一反三
Who would you rather _____ with you tomorrow morning?
A.had doB.have goneC.have goD.have to go

题型:不详难度:| 查看答案
Villagers          of the danger soon after the big earthquake in Japan,or more people would have lost their lives in the tsunami.
A.were warnedB.had been warnedC.have been warnedD.are warned

题型:不详难度:| 查看答案
— I’m really glad to see you back.. ______ your trip to the valley interesting?
— No. it ______ very heavily there the whole time.
A.Was; was rainingB.Is; had rained
C.Was; was to rainD.Is; has been raining

题型:不详难度:| 查看答案
Have you nearly finished? Time_______.
A.is run outB.has been run outC.is running outD.has run out of

题型:不详难度:| 查看答案
A library with five thousand books ____________ to the nation as a gift.
A.have offeredB.are offeredC.has offeredD.is offered

题型:不详难度:| 查看答案
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