People ______ at the meeting would have a discussion on pollution.
Facts prove that the world’s economic development is not a win-lose game but one in which all be winners.
Everyone here will thank the firefighter for the things they have done to prevent fires______ the environment safer.
______ with so many challenges, Yang Guang, a blind young fellow, didn’t give up; he made great efforts to win success.
— Why do you look so worried? —My computer broke down and my essay ______ unfinished since.
By no means ______ true that all English people know their own language well.