pag. 23 es. 18)
1. its
2. our
3. their
4. your
5. your
6. my
7. her
8. his

es. 19)
1. her
2. his
3. her
4. its
5. his
6. its

es. 20)
1. yours
2. mine
3. hers
4. his
5. yours - ours
6. mine

es. 21)
1. my - it
2. its
3. our - its
4. her - he
5. it
6. they
7. their
8. it

es. 22)
1. This isn't my car. Mine is black.
2. They are their teachers. They aren't ours.
3. He isn't James brother. He is mine.
4. These aren't our rooms. These are their.
5. It isn't Clara's schoolbag. It is yours.
6. That is my friend Jamie and his sister Carole.

es. 23)
1. My phone number is very simple.
2. Your school is big, ours is very small.
3. Our Wi-Fi is fast, yours is slow.
4. Their new restaurant is beautiful and their costumers are very pleased.
5. It isn't fair! In my room there are two chairs, in yours there is a comfortable sofa!
6. This isn't Charlotte's umbrella, its mine. Where's hers?
7. A Gabriel, where's my watch?
   B It's near your tablet!
8. A Is this Victoria's bag?
   B Yes, it is, but this isn't her purse.

pag. 29 es. 2)
1. That's Ellie's cousin, Hetty. Hetty looks just like her.
2. A Where are our boarding cards?
   B He has got them.
3. A That's a great phone
   B Thanks, he gave me it to me.
4. They are coming to the restaurant with us.
5. We really like our tennis instructors. We get on really well with them.
6. He is a superb actor. Can I ask him to teach me?
7. A Has Emily got her tablet with her?
   B No, she left it at home today.
8. Helen and I fly from Stansted early in the morning. Can you come to collect us?

es. 3)
1. me
2. him
3. him
4. it
5. you
6. me
7. us
8. her

es. 4)
1. him
2. he
3. her
4. he
5. them
6. them
7. her
8. she

es. 5)
1. it
2. her
3. him
4. mine
5. us
6. me
7. my
8. me
9. it - my - us
10. she - her
11. my - me
12. their