To a doctor, the most important thing is _______. A. to save b. saving C. to saving D. saved
What do you consider____ to her?
Who did the teacher, as well as the monitor, ____ an article for the wall newspaper?
The air quality in Beijing as well as in the neighboring cities we once spent much time____ better and better.
We will do everything we can____ our city.
Is this school____ you studied in two years ago?