To us all in China, _______experience of taking the College Entrance Examination seems an important way to judge whether one’s life is_______ complete one.
Before the war broke out, many people ________ in safe places possessions they could not take with them.
It’s ten years since the scientist ________ on his life’s work of discovering the valuable chemical.
To keep healthy, Professor Johnson _______ cycling as regular form of exercise after he retired.
Helen always helps her mother even though going to school ______ most of her day.
The final examination is coming up soon. It’s time for us to _______ our studies.