It was Sunday. The trains were crowded. A gentleman was walking along the platform (21) a place. In one of (22) he saw a vacant seat. But a small suitcase was (23) on it and a stout gentleman was sitting next to it. "Is this seat vacant" asked the gentleman. "No, it is my (24) . " answered the stout gentleman. He is just coming. This is his suitcase. "Well," said the gentleman, "I will sit here till he (25) ." Five minutes later, the train started, (26) nobody came. "Your friend is late," said the gentleman, "He (27) his train, but he need not (28) suitcase. " And (29) these words he (30) the case and threw it out of the window. The stout gentleman jumped up to catch the case but it was too late. He regretted taking two seats for his own comfort.
21（）我来回答:
