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题目
题型:不详难度:来源:
Water ____ be changed into vapour but it ____ be heated to its boiling point .
A.may ; canB.can ; must C.may ; needn""t D.must ; may

答案
B
解析
can表示可能性,must必须,表示条件。
核心考点
试题【Water ____ be changed into vapour but it ____ be heated to its boiling point . A】;主要考察你对虚拟语气等知识点的理解。[详细]
举一反三
There was plenty of time . She ____ .
A.needn""t hurry B.mustn""t hurryC.needn""t have hurried
D.mustn""t have hurried

题型:不详难度:| 查看答案
There were already five people in the car but they managed to take me as well . It ____ a comfortable journey .
A.can""t e B.shouldn""t beC.mustn""t have beenD.couldn""t have been

题型:不详难度:| 查看答案
Peter ____ come with us tonight , but he is not very sure yet .
A.must B.may C.can D.will

题型:不详难度:| 查看答案
Don""t be worried . The news ____ be true .
A.may not B.mustn""t C.needn""t D.shan""t

题型:不详难度:| 查看答案
— What has happened to Tom ?
— I don""t know . He ____ lost .
A.could getB.might yet C.can have gotD.may have got

题型:不详难度:| 查看答案
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