单项选择题

The people who speak Esperanto hope that the language someday will become the international language for trade, science, and diplomacy.

A．common
B．unique
C．official
D．well-known
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单项选择题
I didn't help him. I would have however didn't have the money.
A．or
B．but
C．otherwise
D．still
单项选择题
All dogs are capable of doing harm to human beings.
A．damage
B．injury
C．danger
D．wound
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