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

28.After negotiation, the two countries ____ the terms of peace.
A.    agreed with
B.    agreed in
C.    agreed to
D.    agreed on

29. After performing a successful operation, the doctor at last pulled the patient ____.
A.    back
B.    in
C. up
D.    through

30. After reading these books, he was _____ to the Darwinian theory of evolution.
A.    changed
B.    converted
C.    transferred
D.    adjusted