什么时候用for my sixth birthday 什么时候用on my sixth birthday

什么时候用for my sixth birthday 什么时候用on my sixth birthday My school is only for sixth and fifth that 和 it什么时候用呢?比如 I think____is important for us to bi polite应该用那个?还有问题见补充什么时候用it 什么时候用that 给个具体用法把 臂什么时候念bi,什么时候念bei 英语题（分数表达 ）have finished ______of the book A one-sixth B one sixth 为什么要加－啊?分数表达什么时候用－．什么时候不用啊? My new flat is on the sixth floor.对sixth提问 I went there for sixth time last week 为什么不在sixth 前填the 什么时候用for什么时候用since l rode into history by winning the race for a record sixth time .为什么用by?time为什么不是times mine my区别什么时候用mine 什么时候用my I had the lead role in my sixth grade play 英语在什么时候用“for? Dear friend,I know you are arriving next Sunday.Let me tell you the way to my house.Take a taxi from the airport.You pass a bank on your right and then go down Long Street.You go through Sixth Avenue,Seventh Avenue,and Eighth Avenue.When you see a bi bi- My home is on the sixth floor.对画线部分提问.画线部是on the sixth floor I don't have time for brekfast.和I don't have time to clean my room.这个to和for不懂怎么用什么时候用for什么时候用to啊 用英语制定7天春节计划first day:------------I would like to-----MY parents will-------second day---third day --fourth day------fifth day-sixth day seventh day---- 2道英语填空题用适当介词填空.June is the sixth month ____ a year.Help me fill ____ my calendar,please.