单项选择题


A．what
B．which
C．how
D．that
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单项选择题
A．byB．onC．atD．in
A．by
B．on
C．at
D．in
单项选择题
A．didn't haveB．wouldn't haveC．hadn'tD．hadn't had
A．didn't have
B．wouldn't have
C．hadn't
D．hadn't had
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