He devoted most of his time to his research, believing his hard work would___sooner or later.
You should follow _____ of the medicine, and take three pills every day.
She is accustomed to ____ like that.
--- Is there a bus to the downtown? -----There ____ be, for it is too late now. You’d better take a taxi.
By the end of last year another new gymnasium_____ in Beijing
Facing the dangerous situation, he was completely______.