B. Identify the kind of each underlined noun on the following sentences. Classify each as to A. MASS, B. COUNT, C. POSSESSIVE or D. COLLECTIVE noun. Write the letter of the correct answer on the blank.
______ 18. We saw a lot of birds flying in the park.
______19. We should obey Nature’s law.
______20. My Mom made a batch of cookies.
______21. This pencil belongs to my little brother.