16. They ………………………………………….…… (start) a fire before the sunset.
17. He ………………………………………….…… (not teach) me before.
18. I was upset because I ………………………………………….…… (lose) my keys.
19. Native Americans ………………………………………….…… (not use) wheels before 1492.
20. I ………………………………………….…… (finish) doing the housework before they came.
21. She ………………………………………….…… (make) a cake by 6 o’clock.
22. Mr. Hivers was no longer there. He ………………………………………….…… (leave) the school six years before.
23. When Ben was at the school, ………………………………………….…… (not build) the games room yet.
24. Miss Smith was now Mrs. Smith, and Miss Brown, the Maths teacher, ………………………………………….…… (become) Mrs. Rossi. They ………………………………………….…… (marry) other teachers several years before.
25. Ben’s lovely old wooden desk wasn’t there anymore. The school ……………………………….…… (buy) new plastic ones.
26. His old classroom was no longer grey. It ………………………………………….…… (be) painted green.
27. Ben didn’t meet his old form teacher. She ………………………………………….…… (die) in 2008
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Sinh Học lớp 12
