Ответ:

1) in

2) at

3) to

4) for

5) ahead

6) down

7) over

8) from

9) on

10) into

Объяснение:

Ответ:

1.There are a lot of hospitals and clinics in the area

2. At first , the doctor was worried that the cut would not heal properly

3. The doctor told him to return into the hospital for a check-up

4. I have had a bad cold for the last two weeks

5. That student has a good career ahead of him

6. My doctor wrote down the medicines I had to buy

7. John had chickenpox and had spots all over his body

8. Make sure you keep all medicines away from children

9. The nurse comes to duty at ten o’clock

10. The scientists are doing research on the causes of cancer