98. As a matter of fact, we found some truth in his answer _____ he gave in his letter to Professor Brown.
A. what B. when C. whether D. which
99. Bill Gates, who is the richest man in the world, once expressed his wish _____ he would donate most of his money to the society, leaving only a small amount to his family.
A. which B. that C. whether D. when
100. Few people present at yesterday’s meeting agreed to his opinion _____ China has entered the Information Age.
A. which B. why C. whether D. that
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