题目内容：

假如你是John,想在家养一条小狗,希望得到父母的同意.请你写封信劝说父母同意你,内容包括：
1,父母不在家时,你将不再感到孤独
2你将会自己照顾小狗,给它喂食,带它散步
3你愿意把每月的零花钱拿一部分出来,给小狗买食物
Dear Mom and Dad,
I really want to have a pet dog.__________________________________________________________________________________________________________________________________________________________________________________
Mom and Dad,you will agree,won't you