It last night, for the ground is wet now. [ ] A.might not have rained B.must hav
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![It last night, for the ground is wet now. [ ] A.might not have rained B.must hav](/pic/43_950961.jpg)
It ________ last night, for the ground is wet now.
[]
A.might not have rained
B.must have rained
C.couldn't have rained
D.rained
试题答案
答案:B