21. My teacher often says that success in making money is not always a good ______ of success in life.
A. belief B. element C. criterion D. instance
22. Tom’s comments on this issue are confusing because they appear to ______ the remarks on the same issue made earlier by him.
A. violate B. induce C. clarify D. contradict
23. —Was the proposal passed at yesterday’s meeting?
—Yes, but some members of the committee expressed ______ .
A. association B. reservation C. authority D. corporation
