21.Dr. Peter, ________ headmaster of the school, told us, _________ fifth of pupils here go on to study at Oxford and Cambridge.
A. a; the B. the; a C. the; 不填 D. 不填; a
22.Many a time，the Chinese government urged that American government stop selling advanced weapons to Taiwan，but it_____ listen，_____Sino-US relations.
A. won’t；damaging B. wouldn’t；damaging
C. shouldn’t; to damage D. wouldn’t：to damage
