What classes are the man and the woman probably taking？
A. Fashion design.
B. Chemistry.
C. Business.
D. Art appreciation.
查看答案
【34】
A. by
B. by means of
C. through
D. in the interest of
How can people get enough vitamins？
A. Cut down fat-soluble vitamins and obtain water-soluble vitamins.
B. Take more vitamin pills.
C. Read the magazines on health.
D. Eat a variety of foods.
【39】
A. for
B. on
C. in
D. upon
【23】
A. for which
B. with which
C. at which
D. to which
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