Module1Unit1TheGreatWall.制作者:孟霞HowlongistheGreatWall?It’s______kilometres.HowlongistheChangjiangRiver?It’s()kilometres.HowlongistheYellowRiver?It’s()kilometres.54646363HowbigisBeijing?It’sgot(Ithasgot)___people.•Howold…?•Howmany…?•Howlong…?•Howbig…?•Howtall…?•以how开头的特殊疑问句Whereis…?It’sintheeast/west/south/north.