根据句意，在答卷标有题号的横线上，写出括号内所给单词的适当形式。
(1)How strange he is! Maybe he is the ____ (mad) man I have ever seen.
(2)The manager asked if the message on the desk was for one of the____ (salesman).
(3)After school all the students went out of the classroom ____ (noise).
(4)The man in his ____ (forty) is the person who saved that boy.