21. Li Ning, her______ most outstanding relative of all, is also well known abroad for his excellent performance in ______.
A. a, gym B. /, gymnastics C. one, gymnast D. /, the gym
22. The old temple needs ______, but I doubt whether it is worthy ______.
A. being preserved; being repaired B. to be preserved; of repairing
C. preserving; of being repaired D. to preserve; to be repaired
23. Walking in such a ______ winter morning, I felt as if the whole world was ______.
A. frozen, freezing B. frozen, frozen C. freezing, freezing D. freezing, frozen