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

If we don't walk quickly,we'll be late for school

let's walk quickly, lest we be late for school

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.

We must walk quickly, otherwise we will be late for school .