Directions: Beneath each of the following sentences there are four choices marked A,B ,C and D. Choose the one answer that best completes the sentence.

21. _______ Oscar winners are usually American films and actors but 2009 has seen _______ more international taste to the ceremony.

A. The; a                       B. /; the                       C. The; the            D. The; /

22. Not until all the fish died in the river ______ how serious the pollution was.

       A. the villagers did realize                          B. the villagers realized

       C. did the villagers realize                          D. didn’t the villagers realize