the rich ________masters of the country in the old days.A.wasB.were正确答案是B,可我印象中the rich不是应该指一个整体用单数的嘛?

Why is the river rich? Why was the river rich? called out the rich woman rich The rich is helping the poor. THE NATURAL HISTORY OF THE RICH怎么样 the rich man's lifesos!quick! Henry is the _______(rich)among us The Smiths are not rich. They are ( ). why the river is so rich Farmers grow rice in the rich soil? most of the land in the tropics is not rich .rich means _______ Bridge the gap between the rich and the poor. The sand is moving towards the rich f__in the south. the man became rich last year 对last year提问_ didhe man _ rich? Robin Hood took from the rich.中rich的意思是 英语翻译翻译 Did the rich man pay for the painting? The poor have____.The rich need ___两个空格