16.Mr.Smith has__ 17.Mr.White comes to see__ 18.Mr.Smith wants__to go through the two holes

题目

16.Mr.Smith has__ 17.Mr.White comes to see__ 18.Mr.Smith wants__to go through the two holes
19.Mr.Smith thinks the big hole is only for__.
20.__is not necessary(必要的）
Mr.Smith has two cats.One is big and the other is small.He likes them very much.One day his friend Mr,White comes to see him.he is very surprised(吃惊地).He finds there are two holes (洞)in the door,a big one and a small one,.He says,“My dear friend,why are there two holes in your door?” “To let them n and out,”Mr.Smith answers.“But why are there two holes?”his friends asks,“How can the big cat go through(通过)the small hole?”
16.A.two small cats B.two big cats C.a big cat and a small one D.a cat and a bird
18.A.the big cat B.the small cat C.a dog D.the two cats

答案