21. My friend Mary is_____beautiful girl, _____girl everyone likes to work with.
A. a , a B. a, the C. the, a D. the , the
22. For a moment nothing happened, then all shouting together.
A. voices had come B. did voices come
C. voices would come D. came voices
23. For all the professional athletes, _______to the Olympics means that they have a chance to enter the history books.
A. access B. attachment C. appeal D. approach