Mike:Lisa,where are you heading?

Lisa:I'm going to the Senior Citizens'Club.

Mike:You are kidding.Why do you go there?

Lisa:I'm a volunteer in the Senior Citizens' Club.

Mike:Oh,I see.Are there many old people?

Lisa:Yes.They are taking part in various kinds of activities such as playing chess and singing.

Mike:What do you do then?

Lisa:I teach them how to use the Internet.

Mike:It's interesting.May I go with you?