—I'd love to join your visit to a local museum today, but I'm on a very tight ________.—I've got a lot of work to do today.
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?
I feel strongly that whatever you____ matter to me.