The government ______ air quality in urban areas from levels one to five: excellent, fairly good, slightly polluted, poor and dangerous.
With all teeth ____________, my grandfather has few choices on his diet.
A job in acting is becoming increasingly ____________ to young people.
I don’t think Tom has passed the difficult exam, ____________?
In the end everything turns out OK—the teenager becomes ____________ healthy adult, and this period of change and challenge is traded for ____________ changes and challenges of grown-up life.
---You should apologize to her, Barry.--- _____, but it’s not going to be easy.