阅读理解Mr.Smithhastwocats.Oneisbigand

阅读理解Mr. Smith has two cats. One is big and the other is small. He likes them very much. One day his good friend Mr. White es to see him. He is very surprised(惊奇的).He finds there are two holes(洞) in the door, a big hole and a small hole. He says, “My dear friend, why are there two holes in your door?” “To let them in and out.” Mr. Black answers. “But why are there two holes?” his friend asks, “How can the big cat go through the small hole?”1.Mr. Smith has _______.A.two small catsB.two big catsC.a big cat and a small oneD.a cat and a bird2.Mr. White es to see______. A.Mr. SmithB.Mrs. BlackC.the catsD.the holes3.According to this passage. _______ is not necessary(必要的).A.The big holeB.The small holeC.The big door.D.The small door.