单项选择题

Scarcely ______ when a knock at the door awakened her.

A．she fell asleep
B．had she fallen asleep
C．does she fall asleep
D．has she fallen sleep
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单项选择题
A．Manager and secretary.B．Doctor and patient.C．Shop assistant and customer.D．Taxi driver and passenger.
A．Manager and secretary.
B．Doctor and patient.
C．Shop assistant and customer.
D．Taxi driver and passenger.
单项选择题
A．No, she didn t.B．I believe she has.C．Yes, she does.D．Peter s proposal has just been made.
A．No, she didn"t.
B．I believe she has.
C．Yes, she does.
D．Peter"s proposal has just been made.
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