单项选择题

No sooner had Mrs. Tyler entered the kitchen ______ a knock at the gate door.

A．did she hear
B．then she heard
C．when she heard
D．than she heard
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单项选择题
It is no use ______ me not to worry about his injury.
A．for you to tell me
B．your telling
C．you tell
D．having told
单项选择题
At the bus stop ______ a soldier and two young people on their way to North Carolina.
A．were
B．was
C．is
D．waiting
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