. It was not until she got home ___ Jennifer realized she had lost her keys.
Do you know if she is going __ him?
---Do you mind buying some fruit for me? --___. I’ll be happy to help you.
--Hello, is Mr. David in? ---_____.
They were still working in the fields __ it had got dark.
Are you ___ to make the best of time and catch up with your classmates?