单项选择题

[A] Although [C] Unless
[B] If [D] Until

A．Although
B．If
C．Unless
D．Until
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单项选择题
[A] part [C] chapter[B] entirety [D] section
A．part
B．entirety
C．chapter
D．section
单项选择题
[A] such [C] so[B] so as [D] such as
A．such
B．so as
C．so
D．such as
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