问题
选择题
As the most acute one in _______ history of all epidemics, the Spanish Flu had ______ tendency to strike the young and fit rather than the old.
A．不填；the
B．不填; a
C．the; 不填
D．the; a
答案
答案：D
考察冠词。第一空用the特指all epidemics的历史；第二空是固定词组have a tendency to do sth有做某事的倾向。故D正确.
