21. It is announced that _____ $20,000 reward will be offered for ______ return of the stolen sculpture.
A. a; the B. 不填; the C. a; a D.不填；a
22. The traditional picture of St Nicholas is quite different from _______ of Father Christmas.
A. one B. that C. what D. which
23. ___ Australia’s relatively small population, its outstanding performance in the Olympic Games was really ___.
A. Supposing; amazing B. Comparing; amazed C. Considering; amazing D. Given; amazed
