4.what does maria ask his father do?,yes.,smoking,yes.
①does mary's father work hard? yes, he does.
他是谁? a: he is my father. this is my mother.
4.did she go with her father and mother? yes, she did. 5.
is he your father? no, he isn't. 不,他不是. 他是你的爸爸吗?