帮忙写一个英文的情景对话,A和B是同桌,上课铃响了老师还没来,俩人猜测各种老师没来的理由 越快越好啊,

A:Hey ,what's the time is it ?
B:Oh...let me see ,it is five past ten
A:what?Five past ten ?
B:yes!
A:why the teacher doesn's come ?
B:I don't know,maybe,
A :Maybe he has a stamachache.
B:I think he must be has a toothache.and now he is in the dentist's,
A:Ha ha,oh no,look ,the teacher is coming!
B:Oh ,yes .