giúp mình và giải thích ạ ----- Nội dung dịch tự động từ ảnh ----- Exercise 10: Put the verbs in brackets: past perfect or past perfect continuous. 1. By 9 o'clock, we (finish) our homework. 2. By the end of the month I (live). 3. By the end of this week we (work). 4. They (leave) 5. By July the fifth they (study). 6. By 10 o'clock she (watch) 7. She (sleep). 8. We (go). 9. We (look for) 10. She (return) 11. (buy/he). 12. They (wait) 13. The sun (not/ rise) 14. (you/do). 15. By 2018 we (live) in this town for ten years. on the project for a month. the classroom by the end of the hour. English for 3 years. TV for 4 hours. for 10 hours by 11 o'clock. home by next week. him for 40 days by next Saturday. from the excursion by 6 o'clock. the new house by October? for the president for 5 hours. by 4 o'clock. the shopping by 3 o'clock? in Madrid for 20 years.