Two-thirds 后用is还是are,那one third呢?

Two-thirds 后用is还是are,那one third呢? Two-thirds of the work是is done还是 are done two thirds of the population in China ____farmers. 填is 还是 are ____of the students of our school ___girls.A Two-thirds,are.B Two-thirds,is 带有of的短语 谓语是跟of前的还是of后的比如this kind of books is/are?books of this kind is/are?two-thirds of the earth surface is/are?请说明理由 there are 2 million people in the city.two thirds of the population （）adults.填are还是is The number of the students in our grade is about six hundred,two thirds of them are girls.为什么要用“ two thirds Two thirds of rice is /are produced in south of China.像这种几分之几的题应该用单数还是复数. ____ of that country ____ by snow.A.Second-thirds,is covered B.Two-thirds,is covered C.Two-thirds,are covered D.Two-third,covers two-thirds buildings后接动词的复数还是单数 用英语表示分数时中间有没有短横?如 two-thirds 还是 two thirds 三分之二的英文后谓语用单数还是用复数two-thirds 后面的谓语用单数还是用复数? About two thirds of the village()by waterA.is coveringB.is coveredC.are coveredD.are covering 三分之二是two-third还是two-thirds? two thirds of the class ___ from other countries A.is B.are Two -thirds of that country ____by snow . A is covered B are covered The number of the students in our grade ________about six _______,of them are girls.A.are,hundreds,two- thirds B.is,hundred,two- thirdC.is,hundred,two thirds.D.are,hundreds,two third Two days 后面用is还是are?