单项选择题

Since the road is wet this morning, （）last night.

A. it must rain
B. it must be mining
C. it must have rained
D. it must have been rain

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单项选择题
There was an（）of discontent on her face.

A. appearance
B. sight
C. shock
D. expression
单项选择题
The result made me（）. It was not half so good as I had expected.

A. disappointing
B. disappointed
C. disappoint
D. be disappointed
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