3

1. it

2. they

3. it

4. they

5. she

6. they

7. it

8. they

9. she

10. it

11. he

12. she

13. I

4

1. I like him.

2. we like her.

3. he likes it.

4. can you show the pictures to him?

5. you can tell her my email address.

6. are you interested in it?

7. I want to buy two bottles of milk for her.

8. do you want to play tennis with him?

9. we must speak to him.

10. you should invite them to your house for dinner.

11. do you know her?

12. tell him about your plan.

13. I see them every day.