第4题: [单项选择]He is ______ learned man, but she is ______ learned of all. A. the most.., a most B. the most.., the most C. a most.., a most D. a most.., the most 参考答案:D 答案解析:该题考察most的用法a most learned man一位很博学的人,此处的most相当于very;第二句中由于出现了of the all表示范围的介词词组,所以用most表示最高级。