She will tell us why she feels so strongly that each of us has a role _____ in making the earth a better place to live.
In common with many people,I like white colour as it is a ________of purity.
He some French while he was away on a business trip in Paris.
Athens,________known as the birthplace of the Olympics,________the capital of Greece.
--Can I smoke here?--Sorry, we don’t allow __________ here.
— Is it good to look up every new word when I come across it in reading?—No,you _____,because you are likely to guess the meaning from the context,