At school, some students are active ______ some are shy, yet they can be good friends with one another.
We tried to ____ his doubts and let him tell the truth.
--I can’t understand why our boss is late. --He _____the early bus.
At 2004 Athens Olympic Games, Liu Xiang excited people all over Asia when he became the first Asian _______ the gold medal in the men’s 110-meter hurdles.
Cell phones are now widely used, _______possible for us to talk to anyone from almost anywhere.
. The prisoner _____ to escape from the prison. But he couldn’t find anybody to help him.