题目内容
23、To keep health, Professor Johnson ________ cycling as a regular form of exercise after he retired.
A. caught on B. took up C. carried out D. made for
试题答案
23、B
相关题目
To keep health, Professor Johnson _____ cycling as a regular form of exercise after he retired.
[ ]
A. caught on
B. took up
C. carried out
D. made for
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B. took up
C. carried out
D. made for