Răspuns:
1. By the time we **arrived**, the concert had already started, so we missed the first two songs.
2. When we **arrived** in Spain, the airport management told us that they **had lost** our luggage.
3. After I **had eaten** a large meal, I **felt** satisfied.
4. The shoes were very clean because I **had cleaned** them.
5. It **wasn't** as crowded as we expected.
6. My neighbor told me that she **had met** my sister.
7. Yesterday I **went** downtown, but I **didn't meet** him for several months.
8. I **had never seen** such a beautiful sunset before.
9. She **bought** a new dress for the party.
10. When he **arrived** at the stadium, the performance **had already started**.
11. I was happy after I **finished** my first lesson as an instructor.
12. I visited the hospital where the ambulance **took** my mother.
13. Everyone **came** downtown to see Peter. I **left** the house by the time I **arrived**.
14. I **had not done** my homework when the teacher asked me.
15. I **bought** a new car a month before.
16. The teacher asked me why I **started** to feel sick.
