Alice explains things very well, what she says can be understood very ＿＿＿.

Jack likes doing kung fu on weekends. Mike        likes it.

 —What’s the matter? You looked unhappy.—Well, the teacher spoke so quickly and I can __________ understand it.

--- ______ does your father work? --- In a hospital.

She can’t sing, but she plays the piano ______ well.