one minute's walk还是one minutes” walk

one minute's walk还是one minutes” walk 是10 minute's walk还是10 minutes' walk还是10 minutes's walk 为什么one meter long和one minute's walk不一样 it's only five-minutes walk还是it's only five-minute walk 十五分钟的路程 是fifteen minutes' walk 还是 fifteen minute's walk 20 minutes' walk 20-minute walk 20-minutes walk 10 minutes' walk 还是10 minutes walking,还是10-minute walk?哪个对呀 five minute's walk / five-minute walk It's twenty minutes' walk 为什么不用twenty-minute? It's about ten()walk.A.minute's B.minute C.minutes' D.minute one and half a minute’s还是one and half a minutes’ ten minutes“walk还是ten minutes walk