Ex.1
1.Is Crystalia a magic place? - Yes, it is.
2.Are Max and Imelda friends? - No, they are not.
3.Is Imelda from Britain? - No, she is not.
4.Are Sam and Kate eleven years old? - Yes, they are.
5.Are you from Crystalia? - No,I am not.
Ex.2
1.'s 2.s' 3.'s 4.'s 5.s'
Ex.3
1.his 2.their 3.her 4.our 5.your
Ex.4
1. French 2.Greece 3.British 4.Italy 5.German