Grades six还是grade six?grade作等级讲用复数吗?我的课本上写着grades six to grades twelve

Grades six还是grade six?grade作等级讲用复数吗?我的课本上写着grades six to grades twelve grade grades的区别 英语 根据中文意思填空Do you know your English ( )(成绩)是grade还是grades I am in Grade Six.划线部分提问.Grade Six Grade six 用什么介词? to get better grades,grade为什么要加s at different grades可以换成at a diffrent grade吗 高一六班用英语怎么说Class Six Grade 什么.. Daming ______ ______ Class One ,Grade Six Are you a student of Grade Six? l'm in Class Six ,Grade One.特殊疑问句Class six ,Grade one提问 l am in Grade Six （划线部分提问）grade six划线 There are six grades in our school.就句子提问 英文填词：My school has about 3323 studente in six grades----grades seven to ___.” You should try harder to get better . A. work; grade B. to work; grades C. to work; gradeD. works; grades 选择填空：1.Mr.White is __English teacher a.a b./ c.an d.the2.What's___Chinese name?a.her b.she c.him d.their3.__is Mrs.Smith,your new maths teacher from Ameerica a.She b.He c.This d.These4.Is Tom in__?a.Grade Six ,Class Two b.Class Two,Grade Si he si in class nine, grade seven改错 英语翻译In grade Six,because of my poor grades,my parents were worried that I wouldn’t be able to get into an excellent middle school.They pushed me to sturdy harder,but I didn’t really understand why they were so anxious.