B. Choose the best answer to the question according to the dialogue you hear (听对话，选出最恰当的答案，每段对话读两遍。)

5. M: Mary, let’s go to Hong Kong by train.

  F: No. It will take us very long time. We need to go by plane.

6. M: What do you usually eat for breakfast, Mrs. King?

  F: I used to eat dumplings, but now I’m used to eating bread and milk.

7. M: It’s 10:30 now. we must be quick. The bus will leave very soon.

  F: Don’t worry. We still have 20 minutes left.

8. F: Hi, Peter, we’re going to volunteer in the old people’s home this Sunday. Would you like to join us?

 M: I’d love to, but I have to stay at home to look after my little sister.