Fill in the blank in the correct form of verbs. 1. Where you ...... (go) now ? -I...... (go) to the theater. 2. He ...... (not do) morning exercises regularly. 3. He ..... (do) morning exercises now ? 4. What you .... ( do) yesterday? 5. They ..... ( finish) their dinner half an hour ago. 6. Water ...... ( boil ) at 100 degrees centigrade. 7. The factory ...... ( begin) operation last year.