Mr.Green is a/an extremely strict teacher中的介词是用a还是an?直接就进原则吗？

She told me____her teacher.A Mr Green isB that Mr Green is C if Mr Green wasD Mr Green was Mr Green is an American和Mr Green is merican什么区别? Mr Green is a father__,__,__. Mr.Green is an American.改为同义句.Mr.Green（）（）American. Mr.Green is a/an extremely strict teacher中的介词是用a还是an?直接就进原则吗？ mr Green is an english teacher否定句 Mr Green is an English teacher怎么改成一般疑问句 ( )Mr.Green( )an old coat or a newone A.Are,wear B.Is,wear c.Is,wearing D.Are,wearing This is Mr Green You are young and handsome.___________.A.SO are Mr.Green B.SO Mr.Green is C.So is Mr.Green D.SO Mr.Green Jim is( )child in Mr Green's family.a.only a b.only thec.an aloneD.the noly 翻译'Mr Green cut up an apple with a knife. Mr Green is an English teacher.______teaches______English.A.He;we B.His;us C.He;us D.He;I Mr Green is an English teacher.什么 teaches 什么Mr Green is an English teacher.什么 teaches 什么 wriite.A .He;we B.His;ud C .He;us选什么 mr.green is mrs.green is （ ） This is Jim Green,____. A.Mr Jim B.Mr Green C.Miss Jim D.Miss Green Why?-->Mr.Black,Mr.White,Mr.Brown,Mr.Green,Mr.Blue,Mr.Red,Mr.Yellow,Mr...Mr.Black,Mr.White,Mr.Brown,Mr.Green,Mr.Blue,Mr.Red,Mr.Yellow,Mr.Why?Mr.Orange,Mr.Purple,Mr.Violet,Mr...Is it any kind of colour can make a person's name?Why?Is there any reason? mr green is now a holidaya inb withc on