Question

—How much ____the pair of trousers ? —Sixty dollars _____enough . A．is, is B．is, are C．a

—How much ____the pair of trousers ? —Sixty dollars _____enough . A．is, is B．is, are C．are, is D．are, are

Answer 1

A

试题分析：trousers,裤子,本身是复数，但用a pair of 表示量时，单复数看pair的量。问句中pair是单数，故系动词用is。时间，路程，金钱作主语看成是一个整体，即单数。句意：这条裤子多少钱？六十美元足够了。故选A。