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．toB．throughC．fromD．since
A．to
B．through
C．from
D．since
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