Change into plura / Exercise 3

For each of the following sentences, change the subject of the verb to the plural, and change the verb so that it agrees with its subject. For example:
The party was held downtown.
The parties were held downtown.

The society accomplishes a great deal.
The societies accomplish a great deal.

The day seemed long.
The days seemed long.

1. The berry was red.
2. The key was difficult to use.
3. The valley is very beautiful.
4. The eddy can be dangerous for swimmers.
5. The journey was undertaken by pilgrims.
6. The daisy was picked by the child.
7. The monkey is considered to be sacred.
8. The gully is full of water.
9. The boy ran to school.
10. The facility is open to the public.
11. The secretary works overtime.
12. The toy was being sold at a discount.
13. The tray is being piled high with dishes.
14. The dairy opens at nine o'clock.
15. The chimney has been repaired.