Fred is second to none in maths in our class but believe it or not he passed the last e

问题补充：

Fred is second to none in maths in our class, but believe it or not, he passed the last exam.

A. easily

B. hardly

C. actually

D. successfully

答案：

A. easily

(答案→)B. hardly

C. actually

D. successfully

解析：首先应弄清 second to none 的意思，照字面理解是“对谁都不是第二”，言外之意就是“第一”，或者说是“最好”。再联系句中的 but 可知，选项 B 最恰当。