PART TWO LANGUAGE KNOWLEDGE （45 marks）
SECTION A (15 marks)
Directions: Beneath each of the following sentences there are 4 choices marked A, B, C and D. Choose the one answer that best completes the sentence.
21. Lucy has a great sense of humor and always keeps her colleagues _______with her stories.
A. amusing B. amused C. to amuse D. having amused
22. Sally _______the airport when she saw Matt, so she did not have much time to chat with him.
A. had headed for B. is heading for C. was heading for D. has headed for
23. Only when you go to New York City in person will you realize ______diverse the American culture is.
A. what B. how C. that D. where
24. It is important to be precise when calculating these figures, _______even a small mistake can cost us millions of dollars.
A. when B. if C. as D. though
