---What do you think of the five doll mascots for the 2008 Olympic Games?
   ---_______, they are lovely, but we can’t figure out what they mean easily.
       A. To tell the truth              B. I’m afraid 

C. Unfortunately                 D. As a matter of fact

---What do you think of the five doll mascots for the 2008 Olympic Games?
---_______, they are lovely, but we can't figure out what they mean easily.
A. To tell the truth       　　 B. I'm afraid
C. Unfortunately      　　　 D. As a matter of fact

第一节：单项填空（共15小题，每小题1分，满分15分）

21. —What do you think of the five doll mascots for the 2008 Olympic Games?

    —______, they are lovely, but I really do not know what they mean.

A. To tell the truth    B. I’m afraid    C. Unfortunately    D. It’s a pity