用1.the majority of2.in toral3.the number of4.communicate 5.have a knowledge of写一篇8句话以上的文

Jim's class organized a pinic in the Yushan park on Sunday.And the majority of the class have taken part in the activity. Actrually, the attendees have taken up eighty percent of the class, the number of which is 30 in total. The students prepared the foods and drinks all by themselves.Some of them brought fast food, some used fresh vegtables and meat to carry on a barbecue. As it was the first time for Jim to attend a picnic, he has been communicating with others continually. The picnic was so successfu that all the attendees have learned much from the activity.And for Jim, he already has a knowledge of how to hold a picnic after that.