单项选择题

The people who speak Esperanto(世界语) 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
They tried their best to resolve the residual problems.
A．domestic
B．remaining
C．geographical
D．$1aborate
单项选择题
About twenty years ago, all important resources in our country were allocated by the central government.
A．nationalized
B．distributed
C．speculated
D．appointed
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