One summer night in 1990, a reporter appeared at the door of Thomas Edison’s laboratory, _____ for an interview.
The workers ___ the glass and marked on each box“This Side Up”.
More and more high-rise buildings have been built in big cities ___ space.
Some insects ___ the colour of their surroundings to protect themselves.
You had better ___ some time every day for sports so that you can keep your energetic.
My first ___ of him was that he was a kind and thoughtful young man.