I have two colousr pencils：one is red,and the other is blue 请问：one is red 和the other is blue这两个句子之间用“and”连接就可以了,为什么还使用“逗号”呀,这个“逗号”是做什么用的 那这个“逗号”在

I have two colousr pencils：one is red,and the other is blue 请问：one is red 和the other is blue这两个句子之间用“and”连接就可以了,为什么还使用“逗号”呀,这个“逗号”是做什么用的 那这个“逗号”在 I have two d____ I have two hand I have two grangfather I Have Two Hands 歌词 i have two brothers,___ I have two _____[knife] I have two ____________.( knife) i have two p[] of cakes在括号里填上合适的词 After class i have P.E.at two hours哪里错了? I like cars.I have two I____for two hours and I think____interesting.A,have P.E.;they're.B,have a P.E.;they're.C、have P.E.；it’s.D、have a P.E.；it‘s class,have,I,P.E.,hours,two,for.Friday,is,Steve‘s,day,favorite.英语连词成句 I have two cakes between meals对two提问 I have two brothers.（对two提问） I have two apples for dinner就“two提问 I have music class ( )two hours. I have two books 改为一般疑问句