A. Zach enjoyed biking to his job at the Bistro Cafe'. the early morning ride gave some serenty to his hectic schedule. Opening the restaurant allowed him to get everything ready before the rest of the crew arrived.

Question

1. In the above passage, an example of a concrete noun is?
Answer "restuarant"
2. An example of an abstract noun is
Answer "Serenity"
3. An example of a proper noun is
Answer Bistro Cafe'
4. An example of a collective noun is
Answer "Crew"
5. an example of a non-count noun is
Answer "serenity"
6. An example of a word containing a derivational noun suffix is
Answer "serenity

Answer 1

They all sound right to me.