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Which is the correct possessive form of the compound noun mother-in-law needed to complete the sentence?

My _____ birthday is in May.


mother’s-in-law


mother-in-laws'


mother-in-laws


mother-in-law’s

2 Answers

4 votes

its b. mother-in-law’s


User Barrack
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3 votes

The correct answer is mother-in-law's

User Fuchsia
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