Oh, boy, why are you killing your time this way? Can’t you find something ________ doing?
I think drinking milk every morning is good ______ our health.
Can your brother ______ well?
.Cathy always gets up early,she is never late for work.
It usually takes us twenty minutes _______ to the supermarket.
— Can you ______ English? — No, but I can ______ the piano.