II. Grammar and vocabulary(25%)

Section A

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

21.As far as I know, up to 2000 people ________ at the opening ceremony.

A.     were present  B. presented  C. were presenting  D. were presented

22.What do you think is the best way to ________the H1N1 ______ spreading?

A.     keep… from    B. stop    C. prevent    D. A,B and C