Câu trả lời:
By the end of the month I in this town for ten years.
B. have been living
2. By the end of this week we on the project for a month.
A. have been working
3. By July the fifth they are studying
D. will have been studying
4. By 10 o'clock she (watch) TV for 4 hours.
B. has been watching
5. She for 10 hours by 11 o'clock.
B. has sleeping
6. We him for 40 days by next Saturday.
D. will have been looking
7. They (wait) for the president for 5 hours.
A. will have been waiting