[解析]
ABC
W:Hello!This is Alice speaking.Is that John?
M:Yes.What's up,Alice?
W:I'm calling to invite you to my birthday party.It's on Friday.Would you like to come?
M:I'd love to.But I have an English class.When will your party begin?
W:It will begin at 7:00 p.m.You can come a little later.
M:OK.My class is from 5:30 p.m. to 3:00 ?
W:I've invited Bill,Lucy,Simon and you.But Simon has to visit his grandfather.