Captain America
Where is John's/John/Johns' clothes?
John's
Mike garage is very dirty.
Everybody's cars are always so dirty after it rains.
No change needed
Sarah and Maggie's/Maggies'/Maggie parents are going to see a movie/movie's made in France.
Maggie's and movie
Where are Apisak and Apinune Matchbox cars?
Apinune's
Auntie games are not always very easy, but they help me learn English difficult grammar better.
Auntie's and English's
They are going on a long/long's holiday at the house/house's by the lake.
long and house
The solar system planets are circling the sun outer rim.
system's and sun's
Matt plans to go to Europe to climb the highest mountain. He is brining his hiking boots and knife with him.
No change needed
Those two girls'/girl's/girls puppies are so cute!
girls'
The Green Lantern and Captain America plan is to destroy the bomb of the Joker and then fly home in Iron Man spaceship.
America's and Man's
Brooklyn pizza and chicken wings are the best in Phnom Penh.
Brooklyn's
The children's/childrens'/children toys are all over the room.
children's
Wow, what a great picture that Apisak took with his dad camera!
dad's
Whose fishing rods and guide book are these? Are they Tom?
Tom's