单项选择题

Since this road is wet and slippery this morning, it_________ last night.

A．must rain
B．was raining
C．must have rained
D．may rain
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单项选择题
With the flowers________ everywhere, the park looks beautiful.
A．to bloom
B．blooming
C．be blooming
D．to be blooming
单项选择题
— When are you going to visit your uncle in Chicago — As soon as_____ our work for tomorrow.
A．we’re complete
B．we’d complete
C．we’ll complete
D．we complete
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