1. Graham ___ the frence for half an hour when he realised he was painting the wrong fence. a. was painting
b. had painted
c. painted
d. had been painting
2. Paul ___ the theatre by eight o'clock.
a. had been leaving
b. left
c. was leaving
d. had left
3. I was so exhausted last night that i ___ sleep immediately
a. fell
b. had fallen
c. was falling
d. had been falling
4. After the children ___ for school, Mum tidied up the house.
a. leaving
b. had been leaving
c. had left
d. were leaving
5. When Doris ___ she had passed her university exams, she was thrilled.
a. had been learning
b. learnt
c. was learning
d. had learnt
6. ___ for the bus when you witnessed the accident?
a. did you wait
b. had you waited
c. were you waiting
d. had been waiting
7. Last summer we ___ swimming every day.
a. went
b. had gone
c. were going
d. had been going
