阅读理解。 John moved into a new house. He was very happy. He had an old cat and a young cat. He liked them very much, He thought,' I must let my cat go in and out of my house when I'm not at home.' He had an idea. One day, a friend came to see him and saw two holes (洞) in his door. One is big, the other is small. 'My dear friend,' he said, 'It's a very nice house, but why are two holes in your door of the new house?' 'To let the cat in and out, of course.' John said. 'But why are there two holes? Is one hole all right?' 'How can a big cat go through the little hole?' said John. 'That's right. But can't a little cat go through a big hole?' The  friend laughed. 1. John moved into a new house with ____. A. a cat B. two cats C. his friend 2. What idea did John have? ____ for his cats. A. To make a hole in the door B. To make two holes in the door C. To keep the door open 3. A friend came to see ____. A. the cat and the hole. B. the door and the hole C. John and his new house 4. ____ all right for the big cat and the small cat go through. A. Only one big hole is B. Only one small hole is C. Only two holes are 5. Which is right? A. John thought clearly before he made the holes. B. John liked the small cat better, so he made a small hole for it when there was a big hole. C. John thought his idea was right before his friend asked him.