译林版新教材牛津英语8B Unit5课时练习题及答案6课时6套试卷

all, you shouldn't start eating until everyone is ready. Second, it is impolite to make too much noise while eating. Also, you should not talk with food in your mouth. Finally, always remember to wait for everyone to finish before you leave the table These rules are important because we should make sure that both guests and hosts are comfortable at the table.