单项选择题

A．Looked
B．Looking
C．Seeing
D．Saw
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单项选择题
A．askedB．to have askedC．askingD．being asked
A．asked
B．to have asked
C．asking
D．being asked
单项选择题
A．was itB．it used to beC．it wasD．should it have been
A．was it
B．it used to be
C．it was
D．should it have been
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