“What are you doing?”It was a policeman. His neighbor(邻居) heard the breaking and telephoned the police. It took Tom a long time to explain(解释) that he wasn’t a thief (贼)Р56. One day Tom couldn’t get into his house because__________.РA. he forgot to take his key with him and his parents weren’t at homeРB. his parents were staying with his uncle C. he left his key in his officeРD. his parents were angry with him and didn’t let him inР57. Tom__________with a big stone.РA. broke the door B. knocked(敲)at the door РC. broke the window D. went awayР58. Tom heard a policeman’s voice when he was__________.РA. turning the handle B. breaking the doorРC. climbing (爬) in through the window D. knocking at the doorР59. Why did the e?РA. Because the writer wanted his help.