要去长城这个孩子很高兴英语the boy is very happy ___ ___ to___ ____ __
问题描述：
要去长城这个孩子很高兴英语the boy is very happy ___ ___ to___ ____ __
答
be happy to do.
go to do sth.
两个固定结构。
楼上两位都对的，应该。
答
the boy is very happy to go to the great wall
答
the boy is very happy to go to the Great Wall.