`Donna: Can you tell me where the library is?
Harry: Of course, it’s behind the teaching building.
Donna: Thanks.
Harry: ________.
A. Don’t be so sure. B. I’m happy to have done it. C. You are welcome. D. I’m glad you like it.正确答案C
`Donna: Can you tell me where the library is?
Harry: Of course, it’s behind the teaching building.
Donna: Thanks.
Harry: ________.
A. Don’t be so sure. B. I’m happy to have done it. C. You are welcome. D. I’m glad you like it.正确答案C
