21. We spent many years studying the formation of rocks , experiencing many sufferings and even death. But our hard work in the end , and we made it.
A. paid off B. made up C. gave away D. came out
22. The ordinary girl sat silently at the corner , but when the prince came over to invite her to dance , her face immediately .
A. cheered up B. lit up C. turned up D. burnt up
23. When asked by news reporters , the film star of stage and screen that he would pay a visit to America next week.
A. identified B. proposed C. approved D. confirmed
