_____ Tom _______ Mary is busy at the moment . You'd better play with someone else.
问题描述:
_____ Tom _______ Mary is busy at the moment . You'd better play with someone else.
both .and 对么?
not only but also?
答
not only but also
系动词是单数is,故主语不能是both.,and.应是not only but also ,就近原则