Are there any ___ things on the moon?

Thanks to the good care of the nurses ,the boy is ______ recovering from his lung operation .

--- It was said that little Bill hit his classmate on the head.---He is thought to be a(an )________  boy, who is always ready to start a fight.

With a MBA degree from Harvard University, our boss takes a______ method to manage the company, which benefits everyone a lot.

 _____ at his knowledge, all the students showed their respect for their teacher.