完形填空Mr.and Mrs.Green were very worried about their son,Leo.H

完形填空
Mr.and Mrs.Green were very worried about their son,Leo.He seemed to be dumb______ 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 didn’t 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.“ Unitl now everything was perfect.But you forgot to put salt tin these 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

though,speak,examined,never,mind,strange,Years,single,meal,waited