The Columbia has finished the task in the International Space Station and is reported to come back to the earth tomorrow, or to be more _____ , at 3:32p.m. local time.
Good health is __________ most people take for granted--- until they lose it .
With the development of modern society, E-mail as well as telephones an important part in daily communication.
—Your brother was brave enough to tell the truth in public.---Yes, and he will never regret_________ that. I admire him so much.
This is our contribution to ________ world of the 21st century, ________ world of independence and mutual understanding.
---Did you go to the show last night?--- Yeah. Every boy and every girl in the area ____ invited.