单项选择题


A．as
B．how
C．that
D．which
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单项选择题
A．a number ofB．many ofC．a lot ofD．a few of
A．a number of
B．many of
C．a lot of
D．a few of
单项选择题
A．avoidB．avoidingC．to avoidD．avoided
A．avoid
B．avoiding
C．to avoid
D．avoided
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