Odpowiedź:
4.
1. the heart
2. blood
3. the bones
4. brain
5.
1. I have to go to bed early.
2. We don’t have to water the plants.
3. Does Dora have to do a lot of chores ?
4. Mum has to work on Saturdays.
5.Do they have to study for a test ?
6. John doesn’t have to walk to school.
7. Where do you have to go today ?
6.
1. You should drink a lot of water when it's hot.
2. You shouldn't go swimming in this river. The water is very dirty.
3. Should I leave the rubbish here? No, you shouldn't
4. You should put up your tent in a safe place.
