Choose the best word or phrase (A, B or C ) to complete each sentence below

Ex1:Choose the best word or phrase (A, B or C ) to complete each sentence below

7. If people continue littering, the environment _____ seriouly polluted.    A. will be   B. would be    C. be

    A. is    B. wasn’t    C. were

10.Thousands of buildings and houses were completely_____ when the earthquake struck the area.

           A. destroying                 B. destroyed                  C. destroy   

11. Before we went camping, we _______ a lot of things.     

A. prepare    B. preparing    C. had prepared

12. After we had moved to the public shelter, the earthquake______.

A. occurred    B. happen     C. occurring

14. A: - All the people were taken to a safer place just in time. B - __________!

          A. That’s shocking         B. Oh dear                    C. That’s great

20. John: “I’ve won the first prize!” – Hoa: “___________”

A. Good luck!        B. Not at all.        C. Congratulations!