my father ---- the business when he was 30years old.(started,began.)

Only____solve the problem.A.can my father B.my father can选哪个?请说明理由, A:My father is cleaning the floor(改为一般疑问句) B:( ) ( ) father( ) the floor A:____the man on the sofa B:my father I met ________ on my way home yesterday.A. a friend of my father B. a friend of my father's C. the friend of my father D. one of my father's father 下面哪个句子有DO（直接宾语)A.My father found the book easily.B.My father found the book easy.C.My father found the book for me.D.My father found the book there. the man ( )( ) ( )is my father My father is the king The mother of my father is my the father of my mother is my? the mother of my father is my? my father slapped me in ____face last night.A.the B.my哪个对,为什么 When I was walking along the street,I met a friend of____A:my father B :my father's C:my fathers' D:my 选哪个?为什么? ( ) 3 The post card is sent by ____.A.a friend of my father B.a friend of my father's C.my father friend D.my father friend's 说明为什么啊谢谢 Of my parents mt father is____.A.tall B.taller C.the tallest D.the taller My father like playing ( ) volleyball in the morningA.a B.an C.the D.不填 The ___factory is my father's. A.car B.carsThe ___factory is my father's.A.car B.cars C.car's Yesterday l met _______.A.the friend of my father B.a friend of my friend'sC.my father's one friend D.one of my father's friendD肯定是不对的，要加‘s’的 the man b( )anold man and a young woman is my father