How do you use buoy and boy in a sentences?

1. The lifeguard tossed a buoy to the struggling swimmer.

2. The buoy bobbed up and down in the waves, marking the spot where the anchor was dropped.

3. The channel was marked by a series of red and green buoys.

Boy:

1. The boy ran down the street, chasing after his ball.

2. The boy sat on the porch, reading a book.

3. The boy and his dog went for a walk in the park.