1. People (already /leave). ..........the flooded village when recue workers arrived 2.You should avoid(use)...........too much shorthand in formal online communication. 3. Fortunately, the river flowing through our town is........( pollute) 4. If we didn't turn on the .........(hot) all the time, we wouldn't have to pay three million dong for eletricity a month 5. Chess( play) .......for around two thousand years. 6. By the time we got to the cinema, the film (start)........ 7. Mark Zuckerberg is a young............,who invented facebook ( invent) 8.In 1982, Vo Hong Anh( success).........completed her doctor's degree in maths and physics.