distractors: had crowded full
sentence: At this time, an old man  in rags  got on the bus.He sat in the seat directly in front of the woman.After a few minutes, all seats were  [MASK]  .The driver started the engine.The bus conductor collected tickets and began asking us where we were  getting off  .When he came to the old man's seat,he became  suspicious  and asked the old man whether he had any money.The old man  admitted  that he did not.He explained that he  had spent  all his money this morning when he'd accidentally got on the wrong bus and now he was trying to go home.