—________ do you go to a concert？
—Never．It’s too expensive！But I often watch concerts ________ television．
A．How，in B．How，on
C．How often，on D．How often，in
—________ do you go to a concert？
—Never．It’s too expensive！But I often watch concerts ________ television．
A．How，in B．How，on
C．How often，on D．How often，in
C