第1个回答 2011-10-28
if i would join in the activity this time, i will try my best to fix up everything.
第2个回答 2011-10-26
If I could take part in this activity , I will try my best to fulfill any task I undertake.
第3个回答 2011-10-26
If I can take part in this activity, I will seriously do every thing
第4个回答 2011-10-26
i will do everything seriously if i can take part in the activity
第5个回答 2012-04-10
If I can take part in the activities, I will do everything!