单项选择题

The girl must have been reading at this moment last Sunday, ______ she

A．wasn't
B．didn't
C．mustn' t
D．hadn't
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The car is running at a （） (速度) of eighty kilometers an hour.
单项选择题
You ______ park here! For it is an emergency access.
A．wouldn' t
B．needn' t
C．couldn' t
D．mustn' t
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