three quarter of a book为什么quarter没用复数

three quarter of a book为什么quarter没用复数 there quarter of 与there quarters of 区别例( )the girl in my class joined the English clud .A.three quarter B.three quarters C.three quarter of D.three quarters of the sea covers about ( ) of the earth.a.one third b.three quarter c.three-fourth d.three quarters There're thousands of students in our school._____of them_____girls.A.One quarter;is B.One quarter:are C.Three quarter;are D.Three quarter;is 并说明理由, three quarters of a million or one and three quarter million 为什么一个quarter加s一个quarter没有s Which is the smallest number of the four?A.two-thirds B.a half C.a quarter D.three-fourths About _____ of the water comes from the small river.a,one-four b,a quarterc,three quarter d,three-fourth There are ___ of students are boy in my class.A.one fifths B.two third C.three-quarter D.three quarters解了后, 7:45 is read as ______.A.a quarter past seven B.a quarter to seven C.three quarters past sevenD. a quarter to eight -Have you finished the exercise?选择题-Have you finished the exercise?-Sorry . We have only finished _____ of it.A.three quarters B.three fourths C. three quarter D, Both A and B说明理由 四分之三A) three quarters B)three-quarter C)three fourths 选A,为什么BC错? Three quarter is another way of saying three ___(four). 英语.a quarter to three.是几点? and a quarter of the population ( )workersA.are B is A quarter of these sweets ____ for you,and the three quarters of pizza ___ for tom.A.is,is B.is,are C.are,is D.are,are a quarter of a pound of It was reported that three million tons of coal----exported last year.a.was b.were c.is d.are (b) I am told the interview will be ------.a.at 8.30 a.m.b.tomorrow a.m.c.at a quarter past eight a.m.d.half past eight,morning (a)three million tons of coa 六级真题it has been estimated that theearth's surface temperature has increased ____one quarter to three quarters of a degree since 1908 A to B be C at D with