All the students are seen ___ on the playground.A.plauing B.

The students were seen ___footabll on the playground just no There are some students ___ the playground. A c( ) of students are playing basketball on the playground. There are students on the playground.改错 Look!There ___ some boys on the playground.A.are B.is C.have All of the students are ___ the twins.A.friend to B.friendly The students are playing happily on the playground.改成感叹句 The students are playing happily on the playground. The students are playing football on the playground (h ) sho are,basketball,the students,on,now,playing,the playground 词语 hundreds of the students are on the playground 个正确 How ____(喧闹)the students are playing on the playground!