根据要求改写句子.英文he often helps me with my english.i must thank hi

根据要求改写句子.英文
he often helps me with my english.i must thank him.
合并句子：i must thank( ）（ ）helping me with my english.
there's some meat and vegetables in the fridge.
改为一般疑问句：( )there ( )meat and vegetables in the fridge?
the children （are playing football） on the playground.就括号部分提问
his tie matches his t-shirt very well.
改为同义句：his tie( )well( )his t-shirt.
his father is a doctor.(用a teacher 改为选择疑问句
（ ）his father a doctor( )a teacher?