a.Three fourths of the teachers present _____ againstthe plan.b.Three fourths of the surface of the earth ______covered with water.A.is B.are C.was D.were为什么分别选B、A?

( )of the world's books and newspapers are written in English A.Three quarterB.Three of quarters C.Third fourths D.Three fourths 请说明理由 Three-fourths of the buildings was destroyed. You took up of an empty seat 中间填 A.three-fourths B.third-fourths C.three-four D.three-fourth a fourth和“three fourths”是什么意思? Three fourths of the land____ with trees.A.are covered B.is covered 选那一个 a.Three fourths of the teachers present _____ againstthe plan.b.Three fourths of the surface of the earth ______covered with water.A.is B.are C.was D.were为什么分别选B、A? A number of books ____kepts in the reading-room and ___of the students'time___spent there.A.are,threee-fourth,is B.is,three-fourths,areC.are,three-fourths,is D.is,three-dourth,is Which is the smallest number of the four?A.two-thirds B.a half C.a quarter D.three-fourths Three fourths of the students are from China.同义句 English problems..I think___ of the materials I listened to at the begining of the exam____ easy.A.three fourths ; isC.three fourths ; are为什么不用A而是C呢? Three-fourths of the homework [ ]today.A;has finishedB;has been finishedC;have finishedD;have been finished必须有理由 three-fourths of the building( )A.was destroyed B.is deatroyed C.were destro D.has destroyed I think _____of the materials llistened to at the beginning of the exam____easy. A.three fourths...I think _____of the materials llistened to at the beginning of the exam____easy.A.three fourths;isB.third four;areC.three fourths;areD.three fourth;are Three-fourths of building _____ destroyde in an eathquake.(英语）Three-fourths of building _____ destroyde in an eathquake.A.were B.is C.was D.has been Three-fourths等于什么 three fourths与three-fourth有什么不同?three-fourth of the students Three fourths of the homework ( )todaThree fourths of the homework ( )today 中间填has finished 还是 has been finished 为什么 Three-fourths of the homework ______today.a.have finished b.has been finished c.has finishedThree-fourths of the homework ______today.a.have finished b.has been finished c.has finished d.have been finished