After that, he knew he could ________ any emergency by doing what he could to the best of his ability.

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

After his daughter came to study in Xiaogan Senior Middle School,he gave up his job in Beijing and slowed down his _______ of life to stay with his family more．

The program you are watching is    broadcast while the performance is in process on the stage.

 -- Why was the driver taken to the police station last night? -- Because he refused to ______ to a blood-alcohol test and attacked the police.