Read the following text.

It was a rainy day, and Ben felt very bored. He was ten years old and loved playing outside, but today he had to stay inside. His little sister, Lily, who was seven, felt bored too.

Their mother gave them a large box of old clothes and hats. "Why don't you play dress-up?" she suggested. Ben and Lily thought it was a great idea. They put on funny hats, silly glasses, and old coats. Ben pretended to be a pirate, and Lily acted like a princess.

They created an adventure in the living room. The sofa became a pirate ship, and the coffee table turned into a treasure island. They laughed and played for hours, inventing stories and finding hidden treasures.

When their mother returned, she smiled and said, "It looks like you had a lot of fun!" Ben and Lily agreed. The rainy day turned into a wonderful adventure indoors.

Fill each blank in the following sentences with ONE word from the text.

On a rainy day, Ben and his sister felt bored because they couldn't play (22) _________.