Let's learn to use the problem we are facinga stepping-stone to future success.
_________the fact that his first experiments had failed, Prof. Smith persisted in his research.
So involved with computer games________that teachers at summer computer camps often have to force them to break for sports and music.
Living alone in the central desert in Australia has its problems, _________obtaining water is not the least.
Tom appreciated_________the good chance to study in Oxford since he graduated from No. 4 High School in Shenyang.
Let’s make contributions to_________world of the 21st century, _________world of success and understanding each other.