When you start talking about good and bad manners you immediately start meeting difficulties. Many people just cannot agree what they mean. We asked a lady, who replied that she thought you could tell a well-mannered person on the __1__way they occupied the space around them—for example, when such a person walks down a street he or she is constantly unaware of others. Such people never __2__bump into other people.However, a second person thought that this was more a question of civilized behavior as good manners. Instead, this other person told us a story, __3__it he said was quite well-known, about an American who had been invited __4__to an Arab meal at one of the countries of the Middle East. The American __5__hasn’t been told very much about the kind of food he might expect. If he had __6__known about American food, he might have behaved better. __7__Immediately before him was a very flat piece of bread that looked, to him, very much as a napkin. Picking it up, he put it into his collar, so that __8__it falls across his shirt. His Arab host, who had been watching, __9__said of nothing, but immediately copied the action of his guest. __10__And that, said this second person, was a fine example of good manners.
1将on改为by。“by the way”作“根据……方式”讲。
2 将unaware改为aware.根据下文中的“Such a person never bump into other people”判断，这种人不会“目中无人”。
3 将as改为than.“more + adj/of + n + than”是固定搭配。
4 将it改为which.which在此引导一个非限制性定语从句，which在从句中作主语，需要注意的是，在从句中he said是插入语。
5 将at改为in.名词the country前要用介词in。
8 将as 改为like.介词as意思为“作为”，like意思为“像”。