第1个回答 2012-01-06
It's my honour to participate (join也是可以的) this game today!
第2个回答 2012-01-06
Today, I feel very honored to attend this contest.
第3个回答 2012-01-06
I am of great honor to take part in the contest.
第4个回答 2012-01-06
It's my honor to take part in this competition today.