问题
选择题
My mother is not in very good shape, and has ____ tennis to get fit.[ ]
A. filled up
B. built up
C. taken up
D. set up
答案
答案：C
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My mother is not in very good shape, and has ____ tennis to get fit.[ ]
A. filled up
B. built up
C. taken up
D. set up
答案：C