You should keep quiet while_____(watch)a film in the cinema这里为什么填watching呀

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Youshouldkeepquietwhile_____(watch)afilminthecinema这里为什么填watching呀Youshouldkeepquietwhile_____(watch

You should keep quiet while_____(watch)a film in the cinema这里为什么填watching呀
You should keep quiet while_____(watch)a film in the cinema
这里为什么填watching呀

You should keep quiet while_____(watch)a film in the cinema这里为什么填watching呀
while 后面一般都是接 ing形式,记一下吧
while表示正在干什么的时候,用现在进行时,其实这里省略掉了 you are
相当于while you are watching a film in the cinema

当你正在进行什么动作的时候当然得用动名词的形式了,表示状态

You should keep quiet while watching a film in the cinema
在影院里看电影的时候应该保持安静
看电影的过程是一个持续的动作,所以用动词的进行时