精英家教网 > 高中英语 > 题目详情
Many people agree that___knowledge of English is a must in___international trade today.
A.a;/B.the; an C.the; theD./; the
A
此处knowledge 表示“知道;熟悉”,是know的名词形式,常与不定冠词连用。trade 指“某种贸易”,通常不与冠词连用。
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