Complete with the present perfect continuous form of the verb in brackets.

.
How long __have you been listening___________________ (listen) to music? For a couple of hours.
Lena has been teaching____________________________ (teach) geometry since she was 30.
My parents have been painting__________________________ (paint) the walls all day today.
How long have you been learning________________________ (learn) Spanish?
My grandpa has been driving_________________________ (drive) this truck all his life.