Tell me you want your coffee, black or white?
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.
The villagers have already known ___ we’ll do is to rebuild the bridge.