Choose the correct answer. 1 David Planned/Was Planning/Had Been
planning to move house for a year before he
was able to do so.
2 He had been leaving/had left/left by the time
I arrived.
3 I had been cooking/cooked/had cooked for
four hours before he offered to help.
4 She was finishing/had been finishing/had
finished her homework before she went out.​