单项选择题

It’s high time ( ) about the traffic problem.

A．something was done
B．something is done
C．anything will be done
D．nothing to be done
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单项选择题
You never told us his phone number, ( )
A．hadn’t you
B．didn’t you
C．had you
D．did you
单项选择题
Private cars have made the traffic problems ( ).
A．the Worse than before
B．worse than ever before
C．more bad as before.
D．more bad than it was
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