By vs. Until vs. Within

Fill in the blanks with by, until or within.

Answers

1. I sent the parcel today itself so that she would get it by Friday.
2. I have to reach home by 7 o’clock.
3. We waited until the rain stopped.
4. The meeting has been postponed until Friday.
5. Will you wait here until I return?
6. I waited until 11 pm and then I went home.
7. I thought that she would arrive by 11 o’clock but she didn’t.
8. By the time we reached the station, the train had already left.
9. They said that they would finish the job within two hours.
10. By the time they found him, he was already dead.
11. By the time he realized his mistake, it was too late.
12. They are going away. They will be away until Friday.