interested, excellent, picked, milked, guide

根据下列句子的意思及所给的汉语提示，写出空缺处单词、固定短语或固定搭配的正确形式。

A: You must be really {#blank#}1{#/blank#} about leaving for America tomorrow, Li Ping!

B: Yeah. But I'm a bit nervous.

A: Nervous about what?

B: I don't know many of the {#blank#}2{#/blank#} and manners in the US. Could you give me a hand?

A: Sure.

B: What {#blank#}3{#/blank#} do they have in America?

A: Well, it's important to be on time when you're invited for dinner. It's {#blank#}4{#/blank#} to arrive late. Americans expect their guests to be on time.

B: Then how long may I stay there?

A: After the meal, don't leave at once. Or you seem to have come only for the meal. When your friends seem to be getting tired and running out of things, it's time to leave. The next day, call or write a thank-you note to say how much you {#blank#}5{#/blank#} the evening.

Dear David,

    How's it going? I'd like to tell you about my travel experiences.

    Last month, I went to Chengdu {#blank#}1{#/blank#} my vacation with my parents. Chengdu is in Sichuan, in the southwest of China. It's {#blank#}2{#/blank#} for its beautiful mountains, forests and lakes. Many people go there to enjoy their vacation every year. We had a five-day trip and took many {#blank#}3{#/blank#}. We saw pandas and monkeys. They were {#blank#}4{#/blank#}cute that we couldn't help watching them.

    We had an exciting trip! I felt tired but happy. Please e-mail me soon {#blank#}5{#/blank#} tell me about your vacation.