. Though I have often heard this song _______. I have never heard you _______ it.
The careful editor checked the articles for fear that he might have __________ something.
— I failed in the exam again. How I wish I__________ harder!—Come on! You can do it if you try.
After drinking a cup of tea, the old man __________ his story.
The two friends had a quarrel about money, but shortly __________ they shook hands and made up.
Thinking that her daughter was doing homework, the mother left the room, __________.