()the teacher()the students are sitting（）the playground and （）老师和学生们都坐在操场中央做游戏( )the teacher( )the students are sitting（ ）the playground and （ ）

()the teacher()the students are sitting（）the playground and （）老师和学生们都坐在操场中央做游戏( )the teacher( )the students are sitting（ ）the playground and （ ）
()the teacher()the students are sitting（）the playground and （）
老师和学生们都坐在操场中央做游戏
( )the teacher( )the students are sitting（ ）the playground and （ ）

()the teacher()the students are sitting（）the playground and （）老师和学生们都坐在操场中央做游戏( )the teacher( )the students are sitting（ ）the playground and （ ）
Both and in playing games