He wants to be a policeman.(改为否定句） He—— ——to be a policeman.

He wants to be a policeman.(改为否定句） He—— ——to be a policeman. He wants to be a policeman. 句型转换He wants to be a policeman.（改为否定句）She is (cleaning the r He wants to be a policeman That's his（ ） He wants to be a policeman _____ his father My cousin wants to be a policeman 改为同义句 He wants to be a policeman because it's exciting.(对画线部分提问) Jim used to be a policeman 变否定句 把He wants to be a bank clerk.(改为否定句） He wants to be a famous singer,改为同义句 he wants to be a writer 改为同义句 tom is going to be a policeman when he __(长大）