聽短文，回答問題。
（1）How old was Mr.Jenkins when he became a middle school teacher？
A.Twenty-two.
B.Twenty-three.
C.Twenty-four.
（2）Why did the students remember Mr.Jenkins？
A.He was strict with them.
B.He wished them to be honest persons.
C.He taught them a lot when they were young.
（3）What was Mr.Jenkins proud of？
A.All his students became honest.
B.All his students often wrote to him.
C.Some of his students were famous.
（4）Why did Mr.Jenkins tell his students to finish Exercise 8？
A.It was very interesting.
B.He wanted to give them an example.
C.He wanted to know if they were honest.
（5）Why did the students' faces turn red？
A.They made Mr.Jenkins angry.
B.Some of them told a lie in class.
C.They didn't finish the exercise in time.