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3 votes
Which sentence does not contain any errors? A. She couldnt have known that the box was theirs. B. She couldn't have known that the box was theirs. C. She couldn't have known that the box was their's. D. She could'nt have known that the box was theirs'.

User Ranj
by
8.1k points

1 Answer

1 vote
B is the correct answer because their is already plural so you don't put an apostrophe any where in it.
User Kjensen
by
7.2k points
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