单项选择题

[A] by [C] off
[B] to [D] for

A．by
B．to
C．off
D．for
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单项选择题
[A] break [C] define[B] elaborate [D] unlock
A．break
B．elaborate
C．define
D．unlock
单项选择题
[A] inexplicably [C] inextricably[B] inexpressibly [D] inexpediently
A．inexplicably
B．inexpressibly
C．inextricably
D．inexpediently
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