Recently Peter________to do his homework, and instead insists on wasting his time playing com-puter games, which extremely annoys his father.
Edward, you play so well. But I ________ you played the piano.
Not until I began to work ________ how much time I had wasted.
Little ________ about his own safety, though he was in great danger himself.
Not a single song ________ at yesterday’s party.
Not until all the fish died in the river ________ how serious the pollution was.