Carl is studying _____ food science at college and hopes to open up meat processing factory of his own one day.
A. /; a
B. /; the
C. the; a
D. the; the
A. /; a
B. /; the
C. the; a
D. the; the
【答案】
A. /; a
B. /; the
C. the; a
D. the; the
A. /; a
B. /; the
C. the; a
D. the; the
【答案】
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