There is a (two-foot-deep) hole in the ground为什么不可以用two-feet

There is a (two-foot-deep) hole in the ground为什么不可以用two-feet a hole two feet deep 中,为什么不说 a two feet deep hole The table is only ----high. A.two-foot B.two foot C.two-feet The old farmer dug a hole two feet There is a picture and two maps on the wall.There is a hole a hole six feet deep 和a six-foot-deep hole都对,那么可以说a six feet 1)Deep in Mount Taihang there is a school with only two stud Deep.in.Mount.Taihang.there.is.a.School.With.only.two.studen 英语选择There is ____ river in my hometown. A.two--metre--deep B one foot 变成two feet a hole dug in the ground 英语翻译In a hole in the ground there lived a hobbit.Not a nasty