（1）When did Paul begin to change？
A.Six years ago.
B.At the age of thirteen.
C.In 2013.
（2）What is Paul like now？
A.Friendly.
B.Shy.
C.Active.
（3）How long does Paul often spend practicing his listening on weekends？
A.Twenty minutes.
B.Thirty minutes.
C.Forty minutes.
（4）What does Paul want to be？
A.An English teacher.
B.A doctor.
C.An engineer.