Questions 19to 21 are based on the passage you have just heard. A: It often rains cats and dogs. B: Itseldom rains in summertime. C: It does not rain as much as people think. D: It is one of the most rainy cities in the US.

How can you know it’s not a good day to go sailing? A: Migrating birds are flying in the wrong direction. B: You can’t see a bird anywhere. C: Seagulls are sitting on the ground in large groups. D: Birds are flying overhead in the summertime.