Katie105
Answered

Westonci.ca is the Q&A platform that connects you with experts who provide accurate and detailed answers. Our platform provides a seamless experience for finding reliable answers from a knowledgeable network of professionals. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

Which word correctly completes the sentence?

We will celebrate both __________ birthdays with a single big party.

A.
sister's

B.
sisters

C.
sisters'