please look carefully before you 什么 (cross )the street

问题描述:

please look carefully before you 什么 (cross )the street

cross 我也在做这道题哦

cross vi. 交叉;横过;杂交 vt. 使相交;渡过;杂交
please look carefully before you cross the street. 这是惯用句。cross这里是vt及物动词。

cross穿过

这是根据cross来变形填空吧?go across或者cross都行。