21. When you finish watching the movie, you will have ____ better understanding of ____ life.
A. a; the B. the; a C. a; 不填 D. 不填; the
22. It is a good idea to start a part-time job _____ it doesn’t affect your studies.
A. as B. in order that C. unless D. so long as
23. Lucy works hard as usual and it has_________. She got the first in the English Speaking Contest.
A. showed off B. paid off C. picked up D. turned up
