I.1Are you;not 2.Is this;is not 3.Is she;is not 4.Can you;can't(cannot)
5.Is;at home;isn't 6.Is,your;That isn't 7.Are those;are not 8.Do you;don't
9.Are there any;There aren't any 10.Is there;isn't
II.1.are 2.she isn't 3.Yes,he 4.No,they 5.he can't 6.there aren't
III.1.are,boxes 2.Those are 3.their buses 4.They're their 5.photos,theirs
IV.1.What 2.What class 3.Who isn't 4.Where are 5.How are 6.How old
7.What number 8.Whose,it 9.What colour 10.How many
V.1.look the same 2.the,yours 3.has a 4.to Kate 5.on your 6.about the
7.Thanks very 8.river there 9.want to 10.How many
VI.1.Look after your things,please.2.Don't run like that.3.Is,or
4.It is my sister's 5.at home or at work