Mary won in the ______ race last week. [

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问题选择题

Mary won in the ______ race last week. [ ]

A. woman's 400-metres

B. women's 400-metre

C. woman's 400-metre

D. women's 400-metres

答案

答案：B

单项选择题

指运输生产规模不做变动情况下的成本是()。

A.长期成本

B.短期成本

C.沉没成本

D.归属成本

选择题

— What’s Tom’s dream?

— Tom’s dream is to trek the jungle, but Jack would like to sail the ocean.

A．through, through

B．through, across

C．across, across

D．across, through