Mr Wang is the person___can help you with your English为什么用who 可以 ,which 却不可以到底有什么区别呢?

Mr wang is responsibe for the project now.Mr wang ______ _______ _______ the project now Mr wang is the d_____ of the English Department the man in the blue cost is mr wang. Mr Wang is the teaching d__ of our school. Mr wang is alway thinking about the others 翻译 It is five years ___ Mr Wang ___ the car Mr Wang is busy _____(clean) the bedroom. Mr.Wang is the _____ cook in that restaurant. Mr Wang is the ___(编辑)of Huaihai evening papers. the man whom I nodded to is Mr.wang可不可以变成：the man to whom I nodded is Mr.wang mr Wang is() good doctor Is Mr Wang friendiy ()you Is Mr Wang ___ teacher 4.Mr Wang is taking a walk“ in the zoo”.（对双引号部分提问）（ ）Mr Wang taking walk? I want you to carry the desk.Mr wang is a good driver.都改为同义句Mr wang is a good driver改为Mr wang is very good ( )( ) Mr Wang is taking a walk in the garden 对in the garden 提问 mr wang is takeing a walk in the garden?对in the garden提问 Mr wang is the head ____ the school.填一个介词.