Ответ:
1. We spent a lot of time in the library yesterday
2. He came to his town and set up his medical practice almost 30 years ago
3. I am afraid that he didn't pass his exam in anatomy yesterday
4. Professor M. was in Moscow last month. Did you meet him?
5. I worked a lot yesterday and I got very tired
6. We decided to send for the doctor, because the child had bad pains
7. I didn't know that you were ill
8. He wasn't well yesterday and complained of plains in his back
9. The disease was developing very quickly because the patient's immune system didn't function normally
10. What drugs were used to treat such cases a decade ago?