z.5.
1. Are your friends in the library? Yes, they are.
2. Is this your bag? Yes, it is. It's mine.
3. What's your sister's name? Her name is Zoe.
4. Have we got science now? No, we have history.
5. My aunt is a teacher. She teaches maths at my school.
6. Do they speak English at home? No, they don't.
7. When does Agnes go to the beach? Every week.
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z.3.
1. have
2. has
3. has
4. is
5. isn't
6. are
7. aren't
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z.4.
1. a
2. c
3. a
4. b
5. a
6. c
7. b
8. a
9. c
10. c
11. b
12. a
