题文
Without proper lessons, you could a lot of bad habits when playing the piano.
| A．keep up |
| B．pick up |
| C．draw up |
| D．catch up |
推荐试卷
Without proper lessons, you could a lot of bad habits when playing the piano.
| A．keep up |
| B．pick up |
| C．draw up |
| D．catch up |
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