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

His long-term goal is to set up his own business.()

A. idea
B. energy
C. order
D. aim

单项选择题

He expressed concern that the ship might be in distress().

A. despair
B. difficulties
C. need
D. danger

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