A pair of shoes ( ) for only $ 12 be动词用is or are
问题描述：
A pair of shoes ( ) for only $ 12 be动词用is or are
答
is,根据它前面的数量词来定,是a pair of ,A 是单数,所以用IS,如果是两双就是ARE了,
A pair of shoes ( ) for only $ 12 be动词用is or are
is,根据它前面的数量词来定,是a pair of ,A 是单数,所以用IS,如果是两双就是ARE了,