80%population are还是is famer(S?) two fifths of the population are还是is farmer(s)?

80%population are还是is famer(S?) two fifths of the population are还是is farmer(s)? Over 80 percent of population of China____peasants.这里填is还是are? more than three qauter ( is 还是are )population , The population of the workers ___200.is 还是are. the majority of population后面接are还是is? 这里应该用复数还是单数?Now,the polulation of our city ____ 7120,000.是is还是are?什么时候是population is,什么时候是population are? 一道关于名词单复数的英语选择题80%of the district ____ farms and 60%of the population ___ farmers.is还是are 原则是什么? two fifths of the population 后加is还是are?many kinds of polution 后加is还是are? 20% of the population in the world is chinese.究竟用 is 还是用are? two thirds of the population in China ____farmers. 填is 还是 are 70％ of the population in china 【 】peasants填 is 还是 are? ___ of the population of the city are workers?请问应该用what 还是how much? Eight percent of the population in this area ____Hui nationality.填is 还是are? China and India are the countries with a population还是 populations当population涉及两个或以上的国家时,用单数还是复数? there are 2 million people in the city.two thirds of the population （）adults.填are还是is 种群population可数还是不可数 说人口少是small population还是little population? I know China and India are the countries with a population of more than one billion.的意思