Поставьте апостроф:"s там где это нужно 1) Which pop stars do you like? 2) My father owns a clothes factory/ 3)Whose tickets have you got? 4) Are these your sister Harry Potter book& 5) Look at thise peoples clothes. 6)My grandmother dogs name is Misty/ 7)Do you go walking with your frends at weekends & 8)Don"t take the childrens sweets/

4)sister`s
5)grandmother`s