[听力原文] 11-15A university professor recently made several tests with different animals to find out which was the cleverest. He found out that the monkey was cleverer than other animals.In one test the professor put a monkey in a room where there were several small boxes. Some boxes were inside other boxes. Inside one small box was some food. The professor wanted to watch the monkey and find out how long it would take the monkey to find the food. The professor left the room. He waited a few minutes outside the door. Then he got down on his knees and put his eye to the keyhole. What did he see To his surprise, he found himself looking into the eye of the monkey. The monkey was on the other side of the door and looked at the professor: through the keyhole. What surprised the professor He was surprised to find himself（）into the monkey’s eye.