Problem: M: I'm waiting for the bus. W: Where are you going? M: I'm going to the station to meet my sister. W: Oh, is she coming by herself? M: Yes, the train comes in about half past four, but it's twenty past four now. I have only ten minutes! W: How often does the bus run? M: Every ten minutes. I missed a No. 1 bus 15 minutes ago, and the next one hasn't come yet! What was said before this conversation?

A: W: Hi, John. What are you doing here?

Problem: M: Yes, if you can trust what she says. But most of her stories are pretty unbelievable in my opinion. What was said before this conversation?

A: W: Mary Green is very unlucky. The most terrible things keep happening to her.

Problem: W: Oh, sorry to miss you. But my thirst for knowledge was greater than my stomach for food. M: I never have that problem. So where were you? W: My science class ran over. What was said before this conversation?

A: M: Hi, Susan, Where were you at lunch time?

Problem: M: Yes, he'll stay there for more than two months. He'll return at the end of March. What was said before this conversation?

A:
W: Tom, I hear your father has gone to Toronto. Is that right?