third-class merits or third-class merit?which one is correct?

third-class merits or third-class merit?which one is correct? class third ,class three the class third third class这几个哪个对?为什么? Class Five in third place.能不能这样写：Class Five in the third place. Class begins_________eight o'clock. 改错：Wendy always come the third in the class. One-third of the students in this class are girls.这句中的主语为什么是One-third? There are 60 students in our class and _____ are girls.A.two third B.two threes C.two third There are 60 students in our class and _____ are girls.A.two third B.two threes C.two third on the merits 怎么翻 after80's merits and shortcomings? We have ____ in our class as we had last week.A.students as a third many B.a third as many students C.a third students as many D.students a third as many选哪个呢 we have our gym class together everyday in the third block 意思 one third of the boys in our class dream of being ______(policeman)in the future which he can witness in August for three shillings third-class return 如何翻译 class ______(begin)at eight o'clock. In our class ________ of the students are girls.A three fifths B three fifth C third five D third fifths There are forty students in their class.Ten of them are girls and ( ） are boysA third forth B third forhhs C three fourth D three fourth in our class( ) of the students are boys A.three fifths B.three fifth c.third five D.third fifths为什么