Lady Gaga is famous _______ her beautiful voice.
Lei Feng ______ for many years, but his spirit is still encouraging us.
The final exam is very important. We must treat it _______.
---- Have you heard of the song Little Apple?---- Yes. It ______ every morning when aged people do square dancing downstairs.
We advise parents _____ their children at home alone in order to keep them away from danger.
---- So far, Su Binglan is the only Chinese who finished the 100-meter race in less than 10 seconds.----- ______ he runs!