为帮助大家在轻松愉快的氛围中掌握英语基础知识，本网站特提供以下资料，希望会带给你意想不到的收获：
21. A love marriage， however， does not necessarily ____ much sharing of interests and responsibilities.
A. take over
B. result in
C. hold on
D. keep to
22. A man has to make _____ for his old age by putting aside enough money to live on when old.
A. supply
B. assurance
C. provision
D. adjustment
23. A river _____ through the narrow wooded valley below.
A. extends
B. pours
C. expands
D. twists
24. A writer has to ____ imagination as well as his experiences for his writing.
A. drawing back from
B. draw in
C. draw up
D. draw on
25. According to the psychoanalyst Sigmund Freud， wisdom comes from the _____ of maturity.
A. fulfillment
B. achievement
C. establishment
D. accomplishment
26. After a concert tour in Asia， Canada and the U.S.， he will _____ work on a five-language opera.
A. confine
B. indulge
C. resume
D. undergo
27. After briefly ____ the history of the author， Prof. Li turned to the novel itself immediately.
A. dipping in
B. dipping at
C. dipping into
D. dipping to