He is one of the boys who _____ here on time. He is the only one of the boys who _____ here on time.
We agreed to accept ______ they thought was the best tourist guide.
Sealers and whalers were the first Europeans ________ to New Zealand, later followed by more Europeans, ________ for a better life.
A 31-year-old woman was still________when rescuers carried her out and said "Thank you" to the people around her.
—People say your little brother has been admitted into QinghuaUniversity. —Yes. Never ________ he could achieve so much success.
________ reducing pullution, man should pay more attention to conserving energy.