用'at once"造句,
问题描述：
用'at once"造句,
答
We agreed to leave at once. 我们同意立即离开。
We determined to go to the railway station at once. 我们决定立刻去火车站。
答
We agreed to leave at once.
我们同意立即离开。
答
I will go to turn off the lights at once 我立即去关灯
I will finish my homework at once 我立即去完成作业