I regret that I am unable to help you .
Some eighty years ago three-quarters of American production ____family farms or from business employing fewer than six people.
The college is planning to offer more English courses to ____the needs of beginners of English.
The folk song concert was so well ____that all the tickets had been sold out on the first day.
— That’s a lovely dress. — Do you think so? My aunt gave it to me for my birthday, but I don’t ____the color.
Old memories are often ____ when you hear a particular song or a piece of music.