Underline the appropriate forms of the verbs to com- plete the

Underline the appropriate forms of the verbs to com- plete the sentences.

1. The fire (caused/was causing) a lot of destruction in the region during last summer.

2. Helen decided to clean the mess in her room and (piled/was piling) the textbooks neatly. Now the room looked tidy.

3. The boys (windsurfed/were windsurfing) when a fierce storm started.

4. We (had/were having) all modern conveniences when we lived in the country.

5. What book (influenced/was influencing) the future ca- reer a lot and she became a doctor,

6. (Did Ann prefer/Were Ann preferring) tea to coffee last year?

7. No, those children (didn't spend/were not spending) much time on the beach during their holidays last summer.

8. The local plant (dumped/was dumping) a lot of waste Into the lake last year, which was a big mistake.

9. Alice (watched/was watching) television in the living room while we were clearing the mess after the party,

10. Mark (did/was doing) crossword puzzles at 7 p. m. yesterday,