class,classes 课程class有课程的意思么

class,classes 课程class有课程的意思么 after class 还是 after classes Mike sometimes talks to others in class.(同意句) Mike sometimes ( ) ( )others in clas don't have class还是classes 是Class begin.还是Class begins.还是Classes begin.为什么? class strat 还是classes strat 或class strats I drop out of my Math 102 class. 是什么意思?When I began taking math classes, I felt like a total failure. In fact, I dropped out of my Math 102 class.此句中class怎么翻译呢?是班级的话不是102应该放后面吗?是课程的话应该 为什么classes begin中classes变class时,begin变begins have a class,have classes哪个是正确的?急. classes are 它和Class is over有什么 区别 是over class还是 over classes,到底那个对啊 have a class等不等于have classes如题 begins class和classes begin为什么加s? class begin还是classes begin?到底应该用哪个呢? 音乐课 music class对还是musics classes对? after classes和 after class有什么区别啊 how many ( )do you have a week?A,music classes B,music class C,musices classes D,class music classes