We should all remember that some great scientific discoveries _____________ by chance.
Professor Williams keeps telling his students that the future________ to the well-educated.
-Did you enjoy your journey to the town?一 .We had driven more than 3 hours before we found the right way.
We are living in an age ______ many things are done on computer.
I told them not everybody could do it , _________?
Max could smell the rain coming. And it did. Suddenly the lightning flashed through the clouds, nearly__________him.