最佳答案:

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　　12345CBBCA

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　　1、voice

　　2、acall

　　3、Subwaypassengers

　　4、clean and tidy

　　5、Don't take pets

最佳答案:

　　12345BEDCA

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　　1、 noon

　　2、 effort（s）

　　3、 chalk

　　4、 capital

　　5、basic

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　　1、beside； all night

　　2、gets used to getting

　　3、don't suppose； will

　　4、stick； into

　　5、looking forward to going

最佳答案:

　　One possible version：

　　Dear Jennifer，

　　Welcome to China. I'm very glad that you are coming to my house. We all know table manners are very important. But they are not the same everywhere. Here are some things you need to know about table manners in my country.

　　In China the dishes are placed on the table and everyone shares. It's impolite to speak with your mouth full.

　　Of course， we Chinese use chopsticks instead of knives and forks. It's rude to tap orl your bowl with your chopsticks. And you are not allowed to stick your chopsticks into your food.

　　Yours，

　　Wang Kun