what did you do before you cross the road?
问题描述：
what did you do before you cross the road?
答
过马路之前你做了什么?那应该怎样回答？根据实际情况回答。比如：I had a look at the left side first, and then I had a look at the right side. 意思是：我先看了看左边，然后看了看右边。