题目内容：

完形填空 通读下面的短文，掌握其大意，然后从各题所给的A、B、C 3个选项中，选出1个最佳答案。）

Mr.  and  Mrs. Green were very worried about their son, Leo. He seemed to be dumb( 哑的） _____ he  was  normal in every other way. Mr. and Mrs. Green  tried  everything to get him to _____,but with no success.When Leo was six years old, the best  doctors in the town _____ him carefully, but could find nothing wrong.

And he seemed to be smart. It was just that he _____ spoke.

“There might be something wrong with his _____，and he doesn’t know he's able to speak，’，one doctor said.“But he can read and write，，，said  Mr. Green. “We’ve written him notes, telling him that he can speak. ”“It’s certainly very _____，” another doctor said.  Perhaps he’ll be able to speak some day. ” _____ passed. Leo went to university. But he did not say a _____ word. Then one day,Leo was having a meal with his parents. Without any warning, he looked up  from  his _____ and said，“Pass me the salt,please. ”

Mr. and Mrs. Green were excited. “You  spoke! You spoke!” they cried. “ Why have you _____ so long to speak?” “I didn’t have anything to  say，，，he said. “Until now everything was perfect. But you forgot to put salt in potatoes. ”

1.A. because      B. when        C. though       D. before

2.A. speak      B. walk        C. play         D. laugh

3.A. taught     B. found       C. examined    D. asked

4.A. never       B. often       C. usually      D. always

5.A. back        B. hair        C. face        D. mind

6.A. unfair     B. strange     C. noisy        D.quiet

7.A. Hours        B. Weeks       C. Months       D. Years

8.A. good        B. right      C. single      D. new

9.A. chair      B. meal        C. hands       D. books

10.A. slept     B. walked     C. served       D. waited