Answer:
14. (a) Our watches don't show the same time.
15. (b) Why are all the school buses yellow?
16. (b) Six protesters were arrested after the riot.
17. (a) How many pictures did you take on your trip?
18. (b) Our soccer team had eight wins and five losses.
19. (a) All the students in the school wear uniforms.
20. (a) We put two of our best glasses on the table.