13. I got a high grade on my essay because I (study) ___________very hard.
14. Jack fell asleep at the computer because he (play) ____________all night long.
15. We were very tired because he (repair)_____________ his bike.
16. He had dirt on his hands because he (repair) ___________his bike.
17.The flight (cancel)________________because it (snow)______________all night.
18. My clothes (cover) ______________in paint because I (paint) __________my room.
19. They (play)________music at full volume for a few hours before their parents came back .
20. The car hasn't been found since it ___________(steal).
21.They (devastate) _____________their neigbour's lawn for a few hours before their parents came back.
22.When I (study)___________hard for exam , my crowd (pass) ______________by to visit me.
23. When Claire (do) _____________a language course in France , she (visit)____________the Mont Saint-Michel.
24. Happily , when we (get up ) _______________yesterday , the rain (not, fall )_____________
25. While Jude (play) ____________the guitar , his sister (walk) _____________the dog.
26.While we (jog)______________in the park, we (see) _______________the first signs of spring.
27.If I __________(be) you , I would apply for that job position.
28. By the time he got to the office , the work _______(do) by his colleagues
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Sinh Học lớp 12
