英语的书面表达、有会的高手嘛情景：你是小明.你放学回家后要与同学一起去踢球,家里没人.任务：请用英语给你妈妈写一张50词

Mom,this is Xiao Ming,
Tom,my classmate,invites me to go play soccer with him.
I've already finished my homework at school.
since i will be on the field,I wouldn't be able to receive any call.
I will be back around 7 pm.
don't worry,
love you
Xiao Ming

Dear mother:
I'll play soccer with my classemates,so I won't at home.I like playing soccer very much you know,and I will eat dinner with my classemate,so I mabye come back late,but don't worry,I will be back at around 8:00pm.
Love
XiaoMing