单项选择题

[A] in [C] on
[B] up [D] off

A．in
B．up
C．on
D．off
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单项选择题
[A] constant [C] regular[B] lasting [D] normal
A．constant
B．lasting
C．regular
D．normal
单项选择题
[A] growing [C] grow[B] grown [D] grows
A．growing
B．grown
C．grow
D．grows
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