It is no use _________ to persuade him ________ smoking because he has been addicted to it since he wasyoung.
They______a certain amount of working experience through voluntary work. (烟台市)
-How come a simple meal like this cost so much? (烟台市)-We have______in your bill the cost of the cup you broke just now.
As a member of the society,we are_____to obey whatever law for the sake of the public.(泰安市)
Having finished his morning work,the manager stood up behind his chair,_____himself.(青岛市)
After China launched a______to popularize Chinese, lots of Confucius colleges have appeared in foreign universities.(青岛市)