Let's_____(not play)football here.
问题描述：
Let's_____(not play)football here.
答
not play
let's后面动词原形回答not play?let's = let uslet sb. do sth. 其实动词原形是不带to的动词不定式动词不定式的否定式是not to do，如：ask sb. not to do sth.这里没有to，就是：let sb. not do sth.