阅读理解。 Mr. and Mrs. Brown lived in a house near London. They had only one child and he was very young. Mr. Brown often came back home from work very late when his wife and child were asleep. He usually opened the front door with his key and came into the room quietly. One night he forgot to bring his key. He had to ring the doorbell (门铃), but his wife didn't wake up. He rang it again. Again nothing happened. Then Mr. Brown knocked at the bedroom window and even shouted loudly. Still his wife didn't wake up. He thought for a moment. At last he had an idea. Then he began to speak like a small child. 'Mom!' he said, 'I want to drink some water.' His wife woke up right now and opened the door for him. 1. How many children did Mr. and Mrs. Brown have? A. One. B. Two. C. Three. D. None. 2. Mr. Brown couldn't open the door one night because _____. A. he came back late B. his wife and child were not at home C. he spoke like a small child D. he forgot to bring his key with him 3. Mr. Brown didn't _____ to wake up his wife. A. sing a song B. knock at the window C. ring the doorbell D. shout 4. _____ opened the door at last. A. Mr. Brown B. Nobody C. Mrs. Brown D. The child 5. Which of the following is TRUE? A. Mr. and Mrs. Brown lived far from London. B. Mr. Brown opened the back door with his key. C. Mrs. Brown often opened the door for Mr. Brown. D. Mr. Brown rang the doorbell twice that night.