邻居冯某养的宠物狗常在夜间吠叫，扰得四邻不安。小闽与其交涉，冯某却理直气壮地说：“我有权养狗，狗叫是正常的。”小闽据理力争，理由是（　　）

理由如下：

∵∠1=∠2（已知），

且∠1=∠CGD（____）

∴∠2=∠CGD（等量代换）

∴CE∥BF（____）

∴∠____ =∠BFD（____）

又∵∠B=∠C（已  知）

∴____（等量代换）

∴AB∥CD（____）

Peter: Let's play computer games!
Barry: That sounds interesting, but I don't have a computer.
Peter: Well, do you have a volleyball?
Barry: Yes.
Peter: Then let's play volleyball.
Barry: Oh, volleyball is so difficult.
Peter: OK, let's watch TV.
Barry: That sounds boring. Hmmm, let's play soccer! Do you have a soccer ball?
Peter: No, I don't.
Barry: Oh, well, do you have a basketball?
Peter: Yes, I do. Let's play basketball!
Barry: That sounds fun!

—Shanghai, and you may have more chances to make money.