There's a river in front of my old house and it is 500 miles in _____ (long)

问题描述:

There's a river in front of my old house and it is 500 miles in _____ (long)

length确定?确定啊The room is15 feet in length and10 feet in breadth.这房间长15英尺,宽10英尺那就这样了吧,错了就错了。、