【題目】 If you want to do international trade successfully, ______ of English is _______.

A. good command; a must B. a good command; a need

C. a good command; a must D. good command; must

【答案】C

【解析】

試題分析：a good command of English 精通英語，a must一個(gè)必備的東西，句意是;如果你想成功的做國(guó)際貿(mào)易，精通英語是必備的。選C。

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