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题目
题型:不详难度:来源:
Before a problem can be solved, it must be obvious ______ the problem itself is.
  A. what      B  that    C  which       D  why
答案
A
解析
本题考察的是名词性从句中主语从句。从句中缺表语,排除B和D;又因题目没有给出problem的范围,故选A;
核心考点
试题【Before a problem can be solved, it must be obvious ______ the problem itself is.】;主要考察你对句法等知识点的理解。[详细]
举一反三
Jack wasn"t saying anything but the teacher smiled at him ____ he had done something very clever.
  A as if       B in case       C while         D though
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I’m afraid he’s more of a talker than a doer, which is_____ he never finishes anything.
A.thatB.whenC.whereD.why

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The old town has narrow streets and small houses _____are built close to each other.
A.theyB.whereC.whatD.that

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.We’ve offered her the job, but I don’t know______ she’ll accept it.
A.whereB.whatC.whetherD.which

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Our teachers always tell us to believes in         we do and who we are if we want to succeed.
A.whyB.howC.whatD.which

题型:不详难度:| 查看答案
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