Mr.Green____speak a little chinese,but he can't speak any Japanese.A.can B.may C.must D.need

Mr.Green____speak a little chinese,but he can't speak any Japanese.A.can B.may C.must D.need Mr.Lee () a teacher. 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 Black is a teacher. Mr Chen is a worker. Mr Read is a ( )(visit) I have a question,Mr. Mr mr mr. Mr. Mr. mr. Mr MR Mr Mr. mr.