________ running a major campaign against corruption (腐败), discipline watchdogs across China have been on a drive against unprofessional behavior among local officials.
The name of our country is PRC, which _____ the People’s Republic of China.
He came back late, _____ which time all the guesses had already left.
Because so many visitors are visiting our school today, some teachers have to _______ guides.
She thinks only of herself; she doesn’t _____ other people.
—Peter didn’t come to the meeting this morning. — I _______ him yesterday, but I was too busy and forgot it.