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题目
题型:不详难度:来源:
Some aspects of a pilot’s job _______ be boring,and pilots often _______ work at inconvenient hours.
A.can; have toB.may; have to
C.have to; mayD.ought to; must

答案
A
解析
句意为“做一个宇航员某些方面可能很乏味,而且他们常常不得不在很不适宜的时候工作”。第一空表示在某种情况下“可能会”,用can; 第二空表示客观情况下“必须”,用have to。
核心考点
试题【Some aspects of a pilot’s job _______ be boring,and pilots often _______ work at】;主要考察你对虚拟语气等知识点的理解。[详细]
举一反三
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题型:不详难度:| 查看答案
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题型:不详难度:| 查看答案
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A.shouldB.could
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