[ Grammar ]
Ducks ______ birds, but cows _____ birds.
A. aren’t / aren’t
B. aren’t / are
C. are / aren’t
D. are / are
E. is / isn’t

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Grammar and Preposition › ViewWhich part of speech is used to describe a noun or pronoun, providing more information about it?
A. preposition
B. conjunction
C. verb
D. adjective
Grammar › View
A complex sentence contains:
A. A dependent clause and an independent clause
B. Two subjects
C. A dependent clause and a period
D. An independent clause and an exclamation point