根据汉语意思完成句子。古时候,人们认为地球是扁平的。In ancient times it________ ________that the earth was flat.
To be a good citizen,one should draw a clear line between good and bad (divide )
Many countries in the world have reached an to reduce air pollution (agree )
Without your support,I am to complete this documentary on time (able)
I remember what Audrey Hepburn looked like in her first film (exact )
Robin never bought (I) a drink when we were together.