1. I ___ an appointment to see the optician.2. After he

1. I ___ an appointment to see the optician.

2. After he ___ his homework, he found he ___ a mistake.

3. This drug can ___ miracles for people with back problems.

4. They ___ a lot of changes in the town centre recently.

5. You ___ the right thing by telling the police.

6. He ___ an archaeological discovery.

7. After being ill for two weeks, he is now ___ an excellent recovery.

8. She ___ a lot of research in the field of medicine.

9. I ___ an arrangement to meet him at the cinema yesterday.

10. It is important that you ___ exercise in order to keep fit.

11. All that smoking ___ you harm.

12. He ___ an excuse and left