到底是at 还是on school好像各有它的意思

到底是at 还是on school好像各有它的意思 是AT SCHOOL 还是 ON SCHOOL on the school还是at the school 是at school days 还是 on school days 还是 in school days 在学校英语怎么说 到底是at school 还是in school kids won't go to school.they'll study at home on computer到底是不用去学校了?还是不会去学校了? at after school正确还是on after school正确 My first day in还是at school?到底是那个呀? 方为介词in at on的用法!咧：in school 还是at school 还是on school?为什么? +地点,什么时候用on,in,at?有区别么嗯,就这样.还有到底是at sunday还是on sunday? they get____the school bus是填up,at,in还是on? 是on the dragon boat festival还是at the dragon boat festival?到底是哪个？！！！ 大约在这星期五用英语怎么说?到底是on 还是at 到底是call sb on+电话号码还是call sb at+电话号码 到底是on weekends还是at weekends比如：It's quiet there_________weekends. 在周末英语到底是＂at weekend还是on weekend? 到底是at night还是in night顺便说一下at,in,on都在什么情况下用? on the street还是at the street有个题目turn left ___ the street 答案是at,但好像用on也可以啊?