He used to be very shy but he has grown it now.
_____ the woman entered the office, Tom’s eyes lit up.
Look! The road ____________
The primary purpose is to _____ those achievements in biological research _____ the public.
____ new cure for this disease that medical experts have recently developed proves to be ______ most effective, although it can not completely kill all the viruses.
— What made your skin look so terrible? — _______ to the sunlight for a long time.