Выберите собственное или притяжательное местоимение: 1. (I, my) parents are old

Изберите собственное или притяжательное местоимение: 1. (I, my) parents are old people. 2. (They, their) are pensioners. 3. (He, his) has got a house in the country. 4. (It, its) is not very big. 5. (We, our) children are small. Выберите существительное в общем либо притяжательном падеже: 1. This is (Jane, Janes) letter. 2. Dont take (my brother, my brothers) book. 3. Give (the boy, the boys) an apple. 4. They are (my friends, my friends) children. 5. How old is (Mr. Kotov, Mr. Kotovs) son ?