we set off 全一点

we set off 全一点 We Chinese like to set off f_____at festivals,especially the We'll set off at dawn if it___raining by then. We said goodbye and set off back home. We always set off firecrackers 0:00 a.m. set out,set up,set off,set We will set off early tomorrow,please set the alarm clock（ ） set out与set off set aside set down set off 1.we will fail to arrive there in time if we don't set off n Our problem is not ----we will set off but---- we can get th set off是什么意思啊?