题目内容：

when和while的句式 不要区别要他们各自的句式

优质解答

when句式：I can play basketball when i was seven (当我七岁的时候我就会打篮球了)一般是充当时间状语,条件状语while My mother got home at five o'clock while I was reading my book(我下午五点钟回来的时候我...