The recording for kǎ (卡) is that of kāi (开).
Then the recording for zhú (竹) and máo (毛) is that of bǐ (笔).
Writing Lesson 10.9 recording errors

Robert-C7
December 13, 2014

Robert-C7
January 31, 2015
I checked to see if this had been fixed and no, it has not. This is a minor annoyance.

Lin-Ping
February 2, 2015
Robert, 你好!
Would you be able to provide the lessons in which these mistakes appear and I will go ahead and make any necessary alterations.
Thank you in advance and 加油!
- Lin Ping