英语书面表达 假如你班要进行一次远足（field trip）,你作为班长,负责计划安排活动,并通知全班,请根据以下内容要

Now,class,attention please!I have an announcement to make.We will have a field trip this Sunday.
Please come to school at 10:00 on the morning of Sunday.We will climb the mountain behind our school and have a picnic for lunch.
Please wear something comfortable because we need to take a long walk.Take boilers,food and drinks with you please.We are planning to get to the top of the mountain at 11:30 and then,boys will go picking up wood for the fire and girls will be preparing the lunch.
We will have take the picnic in groups.Every 4 or 5 people will be in a group.Please make sure you have both boys and girls in your group.The groups will be devided now and please come to me to register your group.
Wish you have fun on Sunday!
That's all.Thank you.