if you ________(lose yur way)in a big city,you can ask the policeman for help.
问题描述：
if you ________(lose yur way)in a big city,you can ask the policeman for help.
答
lose your way 迷路为什么不能填lostlost是过去式啊这是条件状语从句，如果你迷路了，一般使用一般现在时的