题目内容
— There were already five people in the car but they managed to take me as well .
— It ____ a comfortable journey .
A . can''t be B . shouldn''t be C . mustn''t have been D . couldn''t have been
D
解析:
对过去推断要用“情态动词+have +p . p”结构。C项中 must 不能用于否定。
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