Question

The singer and dancer_____ present at the party yesterday evening.

A had been B were C is D was
我是一个学生，请详细解答，谢谢！

Answer 1

答案：D
解释：
1. 这里的时间状语是yesterday evening，是过去时间，用一般过去时态，排除AC答案。
2. 这里的主语是the singer and dancer 意为：这位歌手兼舞蹈家，其实是一个人，谓语动词用单数形式。而如果将主语改为：The singer and the dancer，谓语动词就用复数形式。
3. 综上所述，正确答案是D。

祝你学习进步，更上一层楼！(*^__^*)

Answer 2

D was

是同一个人，既唱歌又会跳舞。否则 dancer 前面还会有个冠词 the

Answer 3

D The singer and dancer指的是同一个人，所以用单数，再时间 是昨天，所以用过去式