What did you do to celebrate Halloween last year？
I up as Superman and played "trick or treat"．
Do I look nice in this fur coat，Millie？
Mom，please don't buy it，We should have on wild animals．
The music by Tan Dun sounds quite exciting．（改为感叹句）
the music by Tan Dun sounds！
Mary is very busy．She does not have any time for social activities．（合并为一句）
Mary is busy have any time for social activities．
He can't finish the task in time if nobody helps him．（保持句意基本不变）
He can't finish the task in time ．