问题
选择题
Without proper lessons, you could _________a lot of bad habits when playing the piano.
A．set up
B．catch up
C．pick up
D．keep up
答案
答案：C
动词词组考查题。A. set up“建立” B. catch up“赶上”C. pick up“沾染”D. keep up“保持”“没有合适的教材，练琴时你会养成不好的习惯。”