You shouldn’t keep silent when ____
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.
. We’re too busy _____ a long vacation this summer, ______ the fact that we can’t afford it.
There were so many people shopping in the mall that we _______ soon after we entered it.