1. (2018八下·姜堰期末) 听一段对话，回答以下小题。

Mum, it's lovely weather. Shall we go for a walk?<br />Good idea. But can you wait a few minutes? I have to finish washing first.<br />Does it take long?<br />No. Just about ten minutes.<br />Okay. It's seven o'clock now. I'm waiting for you in the living room, doing some reading.<br />Good boy.

1. （1） What's the relationship (关系) between the two speakers?

   A . Husband and wife. B . Mother and son. C . Brother and sister.
3. （2） When will they go for a walk?

   A . At 6:50. B . At 7:00. C . At 7:10.