第二部分英语知识运用（共两节，满分45分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
例：It is generally considered unwise to give a child _____he or she wants.
A. however B. whatever C. whichever D. whenever
21.Graduation, in _____opinion of many students, is _____time to thank those who helped them
through.
A. the; a B. the; / C. a; a D. /; the
22.So far there has been no reported case of the flu _____among people.
A. spreading B. to spread C. spreads D. being spread
23.There is a subway in my hometown, but _____existed two years ago.
A. none B. nobody C. everything D. anything
24.She realized that it was not the words but the way she spoke to Bruce _____hurt him.
