This is correct. This is a reflexive verb that you are doing to yourself. This translates to, "Normally I brush the hair". If it was something like "Normalmente me cepillo el pelo de Anna" it would be incorrect because you are doing it to Anna, not yourself.
what is the audio ? it says based on the audio :)
Spain is the first country to buy the airbus
C . Because comeré means to eat ; and you eat icecream