What are they doing this weekend? A. They will go to the exhibition hall. B. They will go to the museum to see an exhibition. C. They will see an exhibition in the City Zoo.
What's the woman worried about?
A. Joan won't come to the conference.
B. Joan may be late for the opening speech.
C. Joan will miss the next conference.
What's the weather forecast?
A. There will be heavy fog in all areas.
B. There will be heavy fog in the east.
C. There will be fog in all areas by midnight.