Usually a meteorological observatory (气象台) _____ air quality in urban areas from one to five: excellent, fairly good, slightly polluted, poor, and dangerous.
_______ be chosen as captain of the team?
At that very moment, I thought Liang Bo ___ the winner of The Voice of China, though I was not 100% percent sure.
For many years, ____ animals for carrying food and other supplies from one area to another has been a means of living in Xinjiang Autonomous Region .
Recently, I ___ my first horse ride in Lijiang, Yunnan Province __ I paid a visit to many local attractions
---I’ve heard you ___ here. What is it like? ---Very hard. But as long as the pay covers the expenses for my next school term, It’s ok.