从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21． Despite the fact that there are a lot of complaints about ________ CCTV’s annual Spring Festival Gala(Chunwan),most people think it was really ________ feast for our eyes this year.
A. /; a B. the; the C. the; / D. / ; /
22． After many years of hard work, his dream _________ at last.
A. come true B. was come true C. was realized D. realized
23． The boys is impolite to others and this _________ hurts himself.
A. in turn B. at turns C. by turns D. in turns
