two-fifths中一定要打横线吗?能说two fifths吗?

two-fifths中一定要打横线吗?能说two fifths吗? two fifths与two-fifths的区别 为什么two fifths of the population后加are,而two fifths of the land后加is?不是population不可数的吗 nine and two fifths是多少?求数字 怎么样在WORD中打横线（下方的横线）? word2003中英语中的横线怎么打 two fifths 后面加单数还是复数动词 Two fifths of the books are sold out 中文意思 五分之二的某物,用英语怎么说?主要想问是two fifths sth还是two fifths of sth 四又五分之二为什么不能翻译成twenty-two fifths,而要译为four and two fifths ____of the land in that district ____coverd with trees and grass.A.Two fifths;is .B.Two fifths;are ______ of the students took part in the reading contest yesterday afternoon.A.Two-fifth B.Two fifths C.Two fifth D.Two-fifths ______ of the land in that district ______ covered with trees and grassA.Two fifth; is B.Two fifth; areC.Two fifths; is D.Two fifths; are 英语considerit's considered ---the treature island of china横线中一定要填as吗?对了，九下课本上没加啊 是课本错了？可能不大吧。谁能给我个解释啊 two thousand中thousand加s吗?一定要准确,谢谢,请说出理由 more than 五分之二的 people go to the movie 中的五分之一怎么写,是 two fifths还是two-fifths ____of the Grade ____ students have taken part in this activityA Two-fifth ; Four B Two-fifths ; four C Second-five ; Fourth D Tow-fifths ; Fourth 17._________of the population in the city come from other provinces这个选B为什么.具体的意思是什么A.Two fifths B.Two fifth C.Second fifths