his sister likes birthday cake (改为一般疑问句）
问题描述：
his sister likes birthday cake (改为一般疑问句）
答
Does his sister like birthday cake?
对吧对吧。。。
答
does his sister like birthday cake?
答
Does his sister like birthday cake?
第三人称单数的助动词用does 帮助提问
希望对你有所帮助,有不会的可以再问,
答
Does his sister like birthday cake?