题目内容
【题目】A set of __________ on the table.
A. key is B. keys is C. keys are D. key are
【答案】B
【解析】考查词汇。a set of 意为"一套,一串",其后需接名词复数,排除A、D两项。主语为单数形式,系动词需用is。故选B项。
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题目内容
【题目】A set of __________ on the table.
A. key is B. keys is C. keys are D. key are
【答案】B
【解析】考查词汇。a set of 意为"一套,一串",其后需接名词复数,排除A、D两项。主语为单数形式,系动词需用is。故选B项。