单项选择题

A) at which C) by which
B) for which D) to which

A．at which
B．for which
C．by which
D．to which
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单项选择题
A) ability C) privacy B) skill D) money
A．ability
B．skill
C．privacy
D．money
单项选择题
A) though C) so B) and D) as
A．though
B．and
C．so
D．as
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