Underline the appropriate forms of the verbs to complete the sentences. 1. The fire (caused / is causing) a lot of destruction in the region during... 2. Helen decided to clean the mess in her room and (piled / was piling) he textbooks neatly. Now the room looked... 3. The boys (windsurfed / were windsurfing) when a fierce storm 4. We (had / were having) all modern conveniences when we lived in... country.