阅读理解。

     Mr. Black likes thrillers and action movies very much. And he likes animals too.  He has two cats. One

  is big and one is small.  He likes them very much. One day his good friend Mr. Green comes to see him.

 He is very surprised. He finds there are two holes (洞) in the door, a big hole and a small one. 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?" asks his friend. "How can the big cat go through (通过) the

 small hotel?"  he asks.

1. Mr. Black has _____.

    A. two small cats

    B. two big cats

    C. a big cat and a small one

    D. a cat and a bird

2. Mr. Green comes to see _____.

    A. Mr. Black                

    B. Mrs. Black    

    C. the cats                  

    D. the holes

3. Mr. Black wants the_____ to go through the two holes.

    A. the big cat

    B. the small cat

    C. a dog

    D. two cats

4.  Mr. Black thinks the big hole is only for _____.

    A. the small cat

    B. the big cat

    C. the two cats

    D. Mr. Green

5. _____ is not necessary.

    A. The big hole

    B. The small hole

    C. The big door

    D. The small door