pay for是固定搭配.D中的buy不和for连用.而B中的应是spend sth on the book.C中的应是take for the book.
原句是why don't you stop watching TV?其中don't you可以省略.
pay for是固定搭配.D中的buy不和for连用.而B中的应是spend sth on the book.C中的应是take for the book.
原句是why don't you stop watching TV?其中don't you可以省略.