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单项选择题


A．receding
B．removing
C．invading
D．eroding
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热门试题

单项选择题A．as well asB．might as wellC．as wellD．well as

A．as well as
B．might as well
C．as well
D．well as

单项选择题A．authorityB．usageC．habitD．tradition

A．authority
B．usage
C．habit
D．tradition