For disabled children, to develop their full potential, their education must be ________ to their differences from others of the same age. 

My uncle moved to London ______.

China has produced       this year as it did in 1996.

I was making copies at work, and someone came into the room while talking on his cell phone. Should I have left _____ him privacy?

—What does PM 2.5 mean?—It's a professional ________ indicating the condition of air  pollution.