题目内容
从所给的四个选项中选择最佳答案
The ground is wet.It _______ last night.
[ ]
A.must have rained B.might have rained
C.may have rained D.could have rained
答案:A
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题目内容
从所给的四个选项中选择最佳答案
The ground is wet.It _______ last night.
[ ]
A.must have rained B.might have rained
C.may have rained D.could have rained