Greg took the pen out of his pants . He took his keys out of his pants . He took his cell phone out of his pocket. He took his wallet out of his pocket. He put everything into a plastic tray. took his shoes off. Greg was at the . He had to get on the airplane. But had to pass through security first. He passed security. He put his pen and keys back his pocket. He put his cell phone and back into his pocket. He put his shoes on his feet. He got on the airplane.