---I regret _____you John has been fired.---I can hardly believe my ears.He’s such a fine worker.
Which do you enjoy____________ your weekends, fishing or watching TV?
— I think it’s beneficial to build a library near our dormitory building.— . It will be a great convenience.
great efforts to practice English, Mary has made much progress in spoken English.
The organization serves _________ more than 3,000 children who would not have ______to music education.
---Look, Tom is annoyed again. ---You know, no one likes _________in public.