聽材料，回答問題。
（1）Who is the speaker talking to？
A.His family.
B.His students.
C.His neighbors.
（2）What will the volunteers do to help the old？
A.Do some shopping.
B.Do some cleaning.
C.Do some cooking.
（3）When will the volunteers help the sick in the hospital？
A.On Tuesdays.
B.On Thursdays.
C.On Saturdays.
（4）Where can volunteers help fix broken things？
A.At the machine factory.
B.At the community centre.
C.At the information office.
（5）What is the number of the club？
A.627-815396.
B.672-815396.
C.627-813659.