When walking down the street, I came across David, when I _____ for years.
didn't see
haven't seen
hadn't seen
wouldn't see
Bob called to tell his mother that he couldn’t enter the house, for he ________ his key at school.
Because the shop _________, all the T-shirts are sold at half price in it.
We ____very early so we packed the night Before.
—Jackie, could you please repeat what I said just now? — Sorry, I ____.
I____ my homework at nine o'clock last Sunday morning.