The singer together with some of her fans a song on the stage.A. singB. sangC. is singin

问题补充：

The singer, together with some of her fans, a song on the stage.

A. sing

B. sang

C. is singing

D. are singing

答案：

A. sing

B. sang

(答案→)C. is singing

D. are singing

解析：可联系答.案.网客服索取。