Mr Brown is _____ (worry) about her daughter.答案是worried,请问为什么不能用worrying?

Mr Brown is always careful when he _____(drive) What is Mr Brown? mr brown has three children.(改为同义句）格式：mr brown is a father _____ _____.. Who Is Mr Brown 歌词 据家谱填空.Mr.Brown___________Mrs.BrownTim is Brown___________Sophie BrownMr.Brown is a I 1_____ and Mrs.Brown is a 2_____.Mr.Browm isTim and Mrs.Brown's 3_____and Mrs.Brown is Tim and Sophie is Mr.and Mrs.Brown's 5_____.Sophie is Mr.and Mrs.Bro Mr Brown is _____ (worry) about her daughter.答案是worried,请问为什么不能用worrying? Mr.Brown is my teacher.一般疑问句,对Mr.Brown提问Mr.Brown is my teacher.一般疑问句,对Mr.Brown提问,对Mr.teacher提问 Is( )your father Mr Brown?No,___not. Mr brown is happy.改为一般疑问句 Who is behind Mr Brown?是什么意思? Mr.Brown's name is John Brown.So his s___ is Brown. Mr.Brown's name is John Brown.So his s_______is Brown .His f_____name is Joh Mr Brown is my father的同义句提示：I ( )the( ) ( )Mr Brown mr.brown is a teacher.this summer vacation is coing 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 brown is a doctor对a doctor 提问 mary says to Mr.brown is a good teacher MR Green ,this is MRS Mary Brown这句话对吗