Question

6. why ...... she still........(work) at one o'clock in the morning?
7. i was happy to see her, because we ........(not see) each other for years
8. by the time we got to the shop, a long queue.... already.....(form) outside​

Answer 1

6. Why WAS she still WORKING at one o'clock in the morning?

7. I was happy to see her, because we HADN'T SEEN each other for years

8. By the time we got to the shop, a long queue HAD already FORMED outside​.