问题描述：
英语错误改正题；
On the hall,students were happy to celebrate the 30th anniversary to Happy Valley School.They played games and won prizes .Some students had come bad to help them.With their helping hands,the teachers could finish the decoration after the Open Day.
(帮帮了,我是新移民去香港的!5 ）
On the hall,students were happy to celebrate the 30th anniversary to Happy Valley School.They played games and won prizes .Some students had come bad to help them.With their helping hands,the teachers could finish the decoration after the Open Day.
(帮帮了,我是新移民去香港的!5 ）
问题解答：
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