Ask questions to your answers from Ex. 1.

1) How long had she been doing her homework? 2) How long had we been listening to music? 3) How long had I been watching DVDs? 4) Why had Amie passed her test? 5) Since when had he been diving? 6) Why hadn’t they been sleeping? 7) How long had his family been having dinner? 8) Why had the policeman been hiding? 9) What had she been dreaming of? 10) For how long had historians and scientists been conducting investigation?