We should learn from past mistakes so as to avoid __________ into the same old trap (困境) again.
Mr. Joe, ________ professor at the University of Fribourg, is famous for his academic achievements in ________ World History.
The young woman got to the cinema two hours ahead of time ________ she could get a good position.
English teachers are supposed ________ their students a test in class, even after class, ________ better teaching results.
—How is the cloth I chose? —________. This color will look very pretty on you.
What I am concerned about is ________ they could fit in with society and how we can create more opportunities for them.