来自贺学锋的问题
Theyare(playingfootball){ontheplayground.}分别对两个括号提问
Theyare(playingfootball){ontheplayground.}分别对两个括号提问


Theyare(playingfootball){ontheplayground.}分别对两个括号提问
Theyare(playingfootball){ontheplayground.}分别对两个括号提问
Whataretheydoingontheplayground?
Wherearetheyplayingfootball?