The singer and dancer __our party this evening

题目

The singer and dancer __our party this evening
A is going to be in B are going to be in C were going to be in D is going to in
说明为什么,,

答案

A the singer and dancer是指同一个人,是歌手兼舞蹈家,如果是the singer and the dancer这样是两个人歌手和舞蹈家.所以一个人谓语动词用单三.介词不可连用,所以············