单项选择题

A good writing______clear organization and choices of words.

A. calls on
B. calls for
C. calls up
D. calls off
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单项选择题
I' m amazed that the young actress married the photographer so soon, for she______ him very well.
A) won't have known

B) can't have known
C) shouldn't know

D) mustn't know
单项选择题
Being engaged in the research work, Dr. Yang seldom goes anywhere______ his office.
A) in place of

B) except to
C) in addition to

D) instead of
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