The government _____ air quality in urban areas from level one to five: excellent, fairly good,slightly polluted, poor and dangerous.A arranges B. classifies C. distributes D. divides
They dug ,then put the box in it.
The jacket was made specially for the king.When we got here, he had done everything.
They lived a life in the countryside.
It’s impossible for us to finish the task within half a month.
We’ll never forget the Premier Chou Enlai.