阅读短文，从方框中选择恰当的词并用其适当形式填空，使短文完整、通顺。每词限用一次。
meet, easy, right, how, but, must, friend, with, smart, I |
Kate and Bruce worked in the same company (公司) in New York. They were good ____ often joked with each other.
One day Kate ____ Bruce on her way to the company. She said, "Hi, Bruce. It's good to see you.
"How can you see ____when I'm not here?" asked Bruce.
"What do you mean? You are not here?" asked Kate. "____you are here."
"No, I' m not," said Bruce. "And I'll bet (打赌) you ten dollars that I can prove (证明) I'm not here.
“All right?”said Kate. "Ten dollars. Now prove you are not here.
“It's ____.”said Bruce. “Am I in Hong Kong?”
"No," said Kate.
"Am I in Paris?"
"No," said Kate.
"If I'm not in Hong Kong and I'm not in Paris," said Bruce, "then I ____be somewhere else(其他的). Is that ____?"
"Of course," said Kate.
"And if I' m somewhere else, I can't be here， can I? Ten dollars, please."
"You're so ____ Bruce."
"We had a bet."
"Sure we had a bet," said Kate. "But ____ can I give you ten dollars if you are not here?"
Then Kate walked away ____ a laugh.
作垂直于实轴的弦
，
是另一焦点，若∠
，则双曲线的离心率
等于（ ）