1.These are__his__(he)brothres.
2.That is_her__(she)sister.
3.Lily is_lucy's__(lucy)sister.
4.Tom,this is_my__(me)cousin,mary.
5.Now__her parents_(her parent)are in America.
6.Those__children_(child)are_my__(I)father,(此处就是father's吗?) student.
7.Do you know_its__(it)name?
8.Mike and Tom_are__(be)friends
9.Thanks for helping_me__(I)
10._Ann's__(Ann 安)mother is _our__(we)teacher.