back前要加to吗?为什么?they carried a lot of things (to back) home

back home.back to home哪个对? come back to home Heading back home to go back to home He wants to run ______ home.A.to B.back to C.back D.to back 动词形态he carried the burden back to the court.其中back为什么不用过去式?是 the greens went to tokyo yesterday ,.they ---(come)back home 为什么welcome back to school前面有to,而welcome back home不能加to?schoo 有没有 back to home Things we have lose have a way of coming back to us in the e There are a lot of things to () There a lot of things to do .