单项选择题What made Professor Broad continue his search for more information on McKay()。
A. A uniform of McKay. B. A footnote about McKay. C. A book on McKay. D. A picture of McKay.
问答题国之大难莫过于君当道。
单项选择题31()。
A. hit B. disappointed C. presented D. bored
问答题虚度年华者,虽生犹死。
填空题字母和单词注音:polite()。