26. It turned out that the man was an excellent policeman working in New York, _____ had contributed a lot to the case.
A. that B. which C. who D. where
27. _____ you don’t know the rule won’t be a sufficient excuse for your failure.
A. It is B. That C. Because D. What
28. She is very ____ to ring me tonight. I can sense that.
A. liable B. possible C. likely D. likeable
29. Small talk is a good way to kill time, make friends and ____ something with others.
A. argue B. replace C. share D. match
30. Some people like drinking coffee, for it has _____ effects.
A. promoting B. stimulating C. enhancing D. encouraging
