（1）When did Jackie start to help homeless people？
A.On a January morning.
B.On a warm afternoon.
C.On a December evening.
（2）What did Jackie Linda to the homeless man？
A.A book and some food.
B.A quilt and some clothes.
C.A coat and some drinks.
（3）What has changed Jackie's life？
A.His parents' volunteer job.
B.The news about the old people.
C.The experience to help the homeless people.
（4）How long has Jackie helped homeless people？
A.For twenty years.
B.For fifteen years.
C.For ten years.