They are looking forward to_____(have)a party.
问题描述：
They are looking forward to_____(have)a party.
答
having
look forward to doing
因为to在这里是介词
答
having
请及时采纳，不懂继续问( 天天在线 ）
(*^__^*) 祝学习进步! 谢谢！
答
having
有不明白的地方再问哟,祝你学习进步,更上一层楼! (*^__^*)
答
having