题目内容：

    Sir Charles Baskerville is found ________ with a scared look on his face. The footprints of a hound are nearby. People believe the giant dog did the killing. And it seems the dog is looking for its next _______.

That is what Doctor James Mortimer is ________. Sir Henry Baskerville, the new ________ of Baskerville Hall is arriving from America to inherit（继承）Sir Charles' fortune. Scared and  _______ about what to do, Mortimer turns to the famous detective, Sherlock Holmes, and his  _______ partner, Dr Watson.

The Hound of the Baskervilles, by Arthur Conan Doyle, scares you with its story about a ghost dog. People think the dog is ________ every member of the Baskerville family.

It all started many years earlier. Hugo Baskerville was a bad man who kidnapped a young woman. But when he tried to _______ her from running away, a giant dog killed him.

Now Sir Charles, also from the Baskerville family, has died ________. People are worried that the killer ghost dog has ________. Sir Henry Baskerville is said to be the last member of the family alive. He receives a scary note, telling him to leave town ________ it's too late.

Doctor Watson finds there are many more suspects than just the ghost dog. But of course it is the bright Holmes who ________ the mystery.

Watson tells the story in the book. Sometimes, some of the words he uses are difficult to understand. But the ________ and suspense（悬念）he builds still makes the book very funny and ________. Finally, it turns out that the dog is a trained big dog ________ a ghost dog. Holmes discovers the murderer at last.

1.A.lonely B.mad C.safe D.dead

2.A.victim B.murderer C.survivor D.suspect

3.A.proud of B.worried about C.angry with D.satisfied with

4.A.doctor B.master C.servant D.detective

5.A.unwilling B.uncertain C.hopeful D.confident

6.A.famous B.rich C.patient D.strong

7.A.killing B.arresting C.eating D.carrying

8.A.finish B.start C.stop D.avoid

9.A.secretly B.mysteriously C.patiently D.repeatedly

10.A.passed B.replied C.returned D.paid

11.A.if B.since C.before D.so

12.A.puts out B.acts out C.takes out D.works out

13.A.danger B.horror C.mystery D.secret

14.A.scary B.boring C.relaxing D.pleasant

15.A.in face of B.in need of C.because of D.instead of