He has been _______ for three weeks. We’d better find another person to fill his place.
Whether at school or at home, children should be encouraged to read books and ______ what may be useful to their study.
More and more people have lost their jobs. No one knows how long it will be before the nation _______ from its present trouble.
At the class get-together last night, I could hardly ______ Tom, for he had changed a lot and was no longer what he used to be in high school.
Wang Ming, our English teacher, has a good ______ of French; that is because he once studied in Paris.
Another two people were reported to have died of the Ebolavirus yesterday, which caused greater _______ about their safety among the public.