摘要：25．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
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Jane will have to _____ her piano practice a long time if she wants to be a professional concert
performer.
performer.
[ ]
A. set up
B. add up
C. keep up
D. hold up
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B. add up
C. keep up
D. hold up
