There are around two hundred students on the piayground 改错

there are hundred of students on the piayground ,hundred要不要加 一道初二英语改错题There are around two hundreds students on the playg There are many students on the piayground同义句There are ______ There are students on the playground.改错 There are students on the play ground.改错 There are two _______ students on the play ground There are two __(hundred) students in our factory 连词成句：hundred,playground,there,on,students,the,are,five(.) On board the plane there are over two hundred passengers,abo there are some students in the piayground.（改为否定句） ---------------------------?There are three hundred students There are nine_____(hundred)students in the school