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