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职称英语
The streets are all wet. It ______ last night.A、must be rainingB、must have been
The streets are all wet. It ______ last night.A、must be rainingB、must have been
游客
2023-10-08
50
管理
问题
The streets are all wet. It ______ last night.
选项
A、must be raining
B、must have been raining
C、had to rain
D、must have rained
答案
D
解析
该句是对过去事实的肯定推测。“must have done”结构表示对过去事实的推测,但只用于肯定句中,如果是否定句,应用“cannot”或“couldn’t”,而不是“must not”。例如:They cannot have arrived here yesterday for the party,for this room was so quiet then. (他们昨天肯定没来这开晚会,因为那时屋里很安静。)
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