题目内容
It ________ hard at this time yesterday.
[ ]
A.snowed
B.was snowing
C.is snowing
D.snows
答案:B
解析:
解析:
|
at this time yesterday要求用过去进行时。 |
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题目内容
It ________ hard at this time yesterday.
[ ]
|
at this time yesterday要求用过去进行时。 |