The government ______ air quality in urban areas from levels one to five: excellent, fairly good, slightly polluted, poor and dangerous.

He told me he had been offered a very well-paid_________ abroad.

－I’m afraid that she won’t come to help me as she promised. －Don’t worry. Nothing will ______her mind if she has ______up her mind.

Many restaurant menus include the origins of a dish, _______ it is prepared, what the main ingredients are, and which farms the ingredients come from.

Fully ________ in preparing for the coming exam, she no longer has time to enjoy the various activities in her neighborhood.