My father is a police officer.My father isn't a police officer.Is your father a police officer?Yes,he is.No,he isn't.John and Peter are cooks.John and Peter aren't cooks.Are John and Peter cooks?Yes,t...第四题打错了是 Theree is a post office near my homeThere is a post office near my home.There isn't a post office near my home.Is there a post office near my home?Yes, there is.No, there isn't.(*^__^*) 嘻嘻……