last year seven british citizens died ((while)) putting up their _英语解答

last year seven british citizens died ((while)) putting up their chrismas decoration
可不可以用when?
为什么用while?

人气：180 ℃　时间：2019-10-11 11:53:29

解答

while后引导的做表语,表示进行一个动作的时候在做另外一个动作.而用WHEN,从意思上讲不通,从语法上还需要把句子改成...when they were putting up .