问题
选择题
Jane will have to _____ her piano practice a long time if she wants to be a professional concert
performer.[ ]
A. set up
B. add up
C. keep up
D. hold up
答案
答案：C
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Jane will have to _____ her piano practice a long time if she wants to be a professional concert
performer.[ ]
A. set up
B. add up
C. keep up
D. hold up
答案：C