下列说法：

①三点确定一个圆；②相等的圆周角所对的弧相等；③同圆或等圆中，等弦所对的弧相等；④等边三角形的内心与外心重合．

其中，正确的个数共有（　　）

根据对话情景，填入恰当的单词。
A: Good morning! Can I help you?
B: Good morning! Yes, please. I think that this house is for ____ 
A: That's right.
B: May I have a look at it?
A: ____ . Come in, please.
B: How long have you lived here?
A:____  ten years. I have been here since 2001.
B: How much does it ____ ?
A: 8600 pounds.
B: That's a lot of ____ !
A: It's worth every penny of it.
B: I like it very much. But I can't____ yet. My wife must look at it first.
A: Women always have the last words.