C. Listen and complete the conversationRita： What are your plans for the weekend, Zhang Wei?Zhang Wei: I'll be busy with my volunteer work.I volunteer at our local_______ to help the homeless every Saturday.Rita： Oh，I didn't know you were a _______. What sort of work do you do there?Zhang Wei： Well，at the moment，I'm helping to organize a fundraising________ for winter. We're asking people to __________ money and tinned food.Rita: I'd like to donate something. It's such a good _________!Zhang Wei： It certainly is.Rita: I'd like to get __________ in this work too. Do you think I could volunteer at the shelter?Zhang Wei： Of course! Why don't you come with me tomorrow?I'll introduce you to the boss.