Apostrophes: Possession with singular, plural and multiple nouns

Three sisters share ownership of a bakery. The business is _____ bakery.

• they're

• the sisters

• the sister's

• the sisters'

Which word in this sentence is NOT correct? We couldn't fit everyone into Carla and Roberto's car, so the boy's took their own.

• Carla and Roberto's

• boy's

• their

• couldn't

Wendy owns a Honda Accord and a Chevrolet Volt. These vehicles are _____.

• Wendys car's

• Wendys' cars

• Wendy's car's

• Wendy's cars

Let me know if _____ inviting more people to _____ party.

• your; you're

• you're; your

• you're; you're

• your; your

How would you correct the error in the following sentence: Archaeologists consider the artifact to be significant, even if they don't understand it's purpose yet.

• By making the word purpose plural

• By changing Archaeologists to Archaeologist's

• By removing the apostrophe from the word it's

• By changing it's to their

Which sentence is correct?

• The movie had it's desired effect.

• The move had its desired effect

Which sentence is correct?

• Both of my brothers-in-law live near Durango.

• Both of my brother-in-laws live in Durango.

• Both of my brother-ins-law live in Durango.

• Both of my brother's-in-laws live in Durango.

Which sentence is most correct?

• Those girl's vitality and humor are infectious.

• Those girls's vitality and humor are infections.

• Those girls' vitality and humor are infectious

• Those girls' vitality and humor is infectious

Which is correct?
a) My neighbors sisters boyfriends cousin is getting married to my brothers friends cousins neighbor this summer.
 b) My neighbor's sister's boyfriend's cousin is getting married to my brother's friend's cousin's neighbor this summer.

• a
• b

Which is correct? a) The kitchens warmth and the coffees aroma were very welcoming. b) The kitchen's warmth and the coffee's aroma were very welcoming.

• a
• b