. By 9 o'clock, we (finish) our homework.
2. They (leave) the classroom by the end of the hour.
3. We (go) home by next week.
4. She (return) from the excursion by 6 o'clock.
5. (buy / he) the new house by October?
6. The sun (not / rise) by 4 o'clock.
7. (you/do) the shopping by 3 o'clock?
8. By the end of the month I (live) in this town for ten years.
9. By the end of this week we (work) on the project for a month.
10. By July the fifth they (study) English for 3 years.
11. By 10 o'clock she (watch) TV for 4 hours.
12. She (sleep) for 10 hours by 11 o'clock.
13. We (look for) him for 40 days by next Saturday.
14. They (wait) for the president for 5 hours.