нужно поставить глагол в форму Past Simple , Past Continuous , Past Perfect или Past Perfect Continuous .​​

Ответ:

9. By midnight he had finished all the work.

10. I were doing my homework when you phoned.

11. Dad have been doing that crossword since morning. (здесь, как мне кажется, больше подойдет present perfect continuous)

12. She done her hair and left for work.

Объяснение: