You should look both ways before you ___the road.这里是填cross 还是crossing啊?为什么呢?我觉得是crossing.可是答案是cross啊!

问题描述:

You should look both ways before you ___the road.
这里是填cross 还是crossing啊?为什么呢?我觉得是crossing.可是答案是cross啊!