$\text{⇒ Answer:}$
$\text{9. C. was running.}$
$\text{10. Ko thể chọn vì ko có đáp án đúng. Đáp án là: were still living.}$
$\text{11. B. will be playing.}$
$\text{12. A. will have been working.}$
$\text{13. D. am.}$
$\text{14. A. have been.}$
$\text{15. A. leave.}$
$\text{16. C. had happened.}$
$\text{17. C. was reading.}$
$\text{18. B. would.}$
$\text{19. A. has just opened.}$
$\text{20. D. All are correct.}$
$\text{21. D. had left.}$
$\text{22. D. had written.}$
$\text{23. B. wrote.}$
$\text{24. C. had broken down.}$
$\text{25. C. have tried.}$
$\text{-----Done by LeHung2k7-----}$
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