听下面一段较长对话，回答以下小题。
【小题1】What is the relationship between the speakers?

A．Neighbors.

B．Teacher and student.

C．Fellow charity members.

【小题2】Which issue did the man notice over the holidays?

A．People wasted electricity.

B．Many items were thrown away.

C．No used market events were held.

【小题3】What did the man think about doing before?

A．Teaching lessons to families.

B．Building parks in his city.

C．Cleaning public spaces.

【小题4】What does the woman offer to do for the man?

A．Donate some money.

B．Allow him to use her place.

C．Tell others about his event.