2. Einstein was one of the greatest (science) (a)   .

3. We had a (wonder) (a)   time in Italy last summer.

4. He wouldn’t be ill if he (not smoke) (a)   a lot.

5. This house (build) (a)   in 2015.

6. The teacher said this water was (pure) (a)   and couldn't be used in our experiment.

7. The calories in the food we eat are a form of (a)   energy (chemistry)

8.She said that it was (a)   of him to ask her age (polite)

9. Air (a)   is not good for our health. (pollute)

10. Many houses (a)   in the hurricane last night in Nghe An. (destroy)

11. That room (a)   at this time next week. (paint)

12. After I (a)   the lesson, Lan went out. (finish)

13. Did you enjoy (watch) (a)   the film?        

14. If I (be) (a)   you, I would plant vegetables in the garden.

15. This time next week, I (lie) (a)   on a beach on Phu Quoc Island

16. What is the most popular (society) (a)   media in your country?     

17. Facebook is famous for its (popular) (a)   among the youth.