第1个回答 2013-10-24
They play an important role in judging the winner.
追问谢了
第2个回答 2014-10-09
They play an important role in deciding the winner.
第3个回答 2013-10-24
They decide the winner plays an important role.
追问谢谢
第4个回答 2013-10-24
they play an important part in deciding who is winner
第5个回答 2013-10-24
They function when it comes to decide the winner