听力原文：M: We do need another bookshelf in this room. But the problem is the space for it

听力原文：How often do we need to change the oil in the car？ （A) Every 3 months or every 3,

听力原文：M: What do you find difficult about language learning, grammar, vocabulary or pro

听力原文：How is the new secretary we hired doing her job？（A)I think we have to hire her.（B

听力原文：M: Nice working with you. I hope we can do business again.W: Yes, I would like th

听力原文：W: So you need someone to watch your pet while you are away？M: Will that be a pro

听力原文：M: How long can I keep the book？W: Three weeks, but you can renew it if you need