Discuss eating customs in different countries,using the object clause

Discuss eating customs in different countries,using the object clause
1 Is it impolite to eat soup very noisily in most African countries?
2 Can people eat with their left hands in Muslim countries?
3 Will people leave ao soon ao they finish eating in western countries?
4 Do Americans eat food like chicken legs with their fangers?
5 does a formal western dinner always start with a small dish?
每句话分为A和B两句
例如A;I want to know whether/if it is polite to point with chopsticks at people in China
B;I don't think that it is polite to point with chopsticks at poeple in China
我没有多少时间了 求求各位大哥大姐们了