John resigned and ___ his power to a young colleague.

The old man______ since he came into the hospital.

What can you do if you've noticed some of the signs of stress mentioned in the passage?

This boy is quite intelligent _____lazy in his study.

Having heard so much about Mr. Smith， they were _____ to meet him.

It is time that the government ___ measures to deal with the haze problem.

The word “disgraced”(Para. 3) means “______”.

He clearly remembers _____ by the window watching people outside rushing to their office.

He didn't book the tickets for the concert, otherwise we ___ a brilliant performance.

Parents should cooperate with teachers and ___ themselves in their children's education.

This plant was severely punished by the government for_____ pollutant into water.

Who should be responsible ___ the accident?