My sister and brother are singing and dancing in the living room.改为疑问句

问题描述:

My sister and brother are singing and dancing in the living room.改为疑问句

are your sister and brother singing and dancing in the living room?你的哥哥姐姐正在客厅唱歌跳舞吗

Are your sister and brother singing and dancing in the living room?

Are your sister and brother singing and dancing in the living room?
加油!不明白再问!