单项选择题

With the price of oil (goes up), the economy of (oil-producing) countries is (expanding) (at a high rate).

A．goes up
B．oil-producing
C．expanding
D．at a high rate

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热门试题

单项选择题(During the discussion), Mr. White (remained silent) (when) (asking) his opinion.

单项选择题______ I'd have told you.