They went __ the forest and reached the picnic area on the side of the river.
问题描述：
They went __ the forest and reached the picnic area on the side of the river.
A across B onto C towards D through 选哪个?为什么?
across 与 through 都有穿过的意思，选哪个是正确的?两者有什么区别？
答
正解是D
穿过森林用 go thtoughthe forest. though表示从内部穿过.
across是从横断方向穿过,across thestreet过马路,through 从内部穿过.