题目内容
It _________ in the night. It's so bright outside at such an early time.
[ ]
A. must snow B. could snow
C. must have snowed D. can have snowed
答案:C
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题目内容
It _________ in the night. It's so bright outside at such an early time.
[ ]
A. must snow B. could snow
C. must have snowed D. can have snowed