We should protect the environment, for plenty of fresh air ________ to good health.
Do you know_________they are getting on well with the project?
.The plane went off its_________ to keep away from the sudden storm.
_________was the story the boy told the reporter.
Greatly_________ as the leading scientist,he was asked to give lectures in many countries.
They are_________ to eat Chinese food though they have been in America for years.