Ответ:

2-задание

1.yes,he does

2.yes,they do

3.yes,I am

4.yes,they have

5.yes,he is

3-задание

1.They haven't got a dog

2.They aren't in Africa

3.I am not little

4.He isn't teacher

5.Thet can't read

вроде всё правильно