2.The certain seat facing the entrance should be the person who pays the bill.
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3.You can tap the table to say thank you
A. 对
B. 错
4.Using communal chopsticks is unnecessary when sharing food.
A. 对
B. 错
5.Chinese people think that it is polite to place food on other people’s plate.
A. 对
B. 错
肾盂肾炎是累及_______和__________的_________炎症。患者以____性居多
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