相关考题
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单项选择题
Since the road is wet,（） last night.
A.it must have rained
B.it must rain
C.it must be raining
D.it must have been raining -
单项选择题
（）that it was raining, he put on his raincoat.
A.See
B.To see
C.Saw
D.Seeing -
单项选择题
When did you see her? What （） then?
A.was she doing
B.did she do
C.is she doing
D.has she hone
