teams require people whose role it is to comment

teams require people whose role it is to comment the people whose role it is to help others 这个句子是正确的吗? he is my role model,whose influence on me a lot to do with m Whose car is it It belongs to his. Whose badroom is it? whose coat it is? whose hat is it Whose it is? Whose jacket is it? whose puppet is it? whose jacket it is whose head is it?