A. The dog's toy is missing.
B. Dogs toy is missing.
C. The dog toy is missing.
D. The dogs' toy is missing.
Answer: The dog's toy is missing.
A. The dog's toy is missing.
B. Dogs toy is missing.
C. The dog toy is missing.
D. The dogs' toy is missing.
Answer: The dog's toy is missing.
Additional Information: Possessive nouns show ownership and typically end with an apostrophe.
Subjects: Sentence Structure, Grammar