单项选择题
A: Our flight is behind the schedule again.
B: ______
A．When was it cancelled
B．That's annoying.
C．Can we check in our luggage
D．That is too late!
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单项选择题
A: The city council has finally voted the funds to build a new high school.B: It's about time they did it.______
A．Who knows
B．What do you think of it
C．I don't know what took them so long.
D．I'd better not delay it.
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