Let's walk quickly,or we will be late for school 改为含有条件状语从句的复合句
问题描述：
Let's walk quickly,or we will be late for school 改为含有条件状语从句的复合句
答
If we don't walk quickly,we'll be late for school
答
let's walk quickly, lest we be late for school
答
we will be late for school unless we walk quickly.
我们将上学迟到除非我们走快一些.
答
We must walk quickly, otherwise we will be late for school .