Mike Perham,a 17-year-old British teenager, finished his solo round-the-world sailboat trip last week, becoming the youngest person in the world to that.
People who have studied ancient instruments are hoping to learn more about the culture that ______ this ancient flute.
Because natural disasters occur at random times, it is difficult to warn people _______.
— I would never go to that supermarket again. The quality of the goods there is too poor. — _______.
Many road accidents occur because drivers cannot ______ the speed of approaching vehicles.
—Betty told me the last mountainous bike you preferred to yesterday was bought by John. —Oh, my! How I regret that I didn’t buy ______.