This is my _____ time to come to Beijing ,so I must take a map of_英语解答

This is my _____ time to come to Beijing ,so I must take a map of Beijing with me .

人气：197 ℃　时间：2019-09-29 04:52:49

解答

first
这是我第一次来北京,所以我必须随身带着北京地图．