10. The old man buried his gold in secret and no one knows where it is.

9. The other day, I came across a book you might like.

8. They were greatly touched to hear the old man’s story.

7. This novel is worth reading a second time..

6. The cap is a good match for the coat.

5. He has fully recovered from the cold.

4. Your idea sounds good but won’t work?

3. You should be ashamed of yourself for telling such a lie.

2. I am dieting to keep my figure.

20. 选A。however意为“但是”“然而”，用来表示一种转折关系。