单项选择题

A) until C) if
B) before D) once

A．until
B．before
C．if
D．once
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单项选择题
A．are not justB．are not just beingC．are not just to beD．are not just going to be
A．are not just
B．are not just being
C．are not just to be
D．are not just going to be
单项选择题
A) express C) implyB) show D) mean
A．express
B．show
C．imply
D．mean
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