Ask questions to your answers from Exercise 1.

1) How long had she been doing her homework? 2) Since when had we been listening to music? 3) Why hadn’t I cooked anything for dinner? 4) How long had Amie been revising? 5) When had he been diving? 6) How long hadn’t they been sleeping? 7) How long had his family been having dinner? 8) Where had the policeman been hiding? 9) Since when had she been dreaming of becoming an actress? 10) How long had historians and scientists been conducting investigations?