Given the question: Here's a question: If you are fiddling through a music book when you should be playing, you probably dont have?  Here are possible answers to this question: - practice - dexterity - idle time - knowledge of music - conductor  I believe the correct choice is "knowledge of music", here's why:
The answer is:
knowledge of music are fiddling through a music book when you should be playing, you probably dont have.