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Without proper lessons, you could ____ a lot of bad habits when playing the piano.

A. give up     B. catch up    C. keep up      D. pick up

   D 


解析:

解答该题的关键是要注意短语pick up的意义及题干句意的理解。give up放弃;catch up赶上; keep up维持; pick up学会,搭车,拾起,收听到,无意中得到。根据句子的意思:如果没有正确的指导,弹钢琴时就会染上许多坏习惯。

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