单项选择题

All ______ to Hong Kong were delayed because of bad weather.

A．fly
B．flights
C．flyings
D．flies
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单项选择题
We have ______ rainfall this year than last year.
A．less
B．little
C．fewer
D．few
单项选择题
I hope you'll advise me what ______ after class.
A．do
B．to do
C．doing
D．to be done
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