填入一个适当的词补全对话，每空一词。

A: Hello, Wu Ling speaking.

B: Hi, Wu Ling. Zhang Hui.

A: The math exam is coming. I have to study for it the whole weekend.

B: So, you must get ready for the exam now.

A: Yes. But I feel very nervous.

B: Relax. You'd better your cool.

A: You're right. I should calm down. By the way, was your trip to Taiwan?

B: It was excellent. I ate all kinds of famous snacks in Taiwan.

A: Sounds you had a good time. What about the weather there?

B: The weather was great, and the air was so clean. I watched the stars at night. They were so beautiful.

A: you.

B: I think so. You should also feel its beauty if you have the chance.

A: I certainly will.