14. Over the long process of evolution, animals have developed their ______ senses, which makes it possible for them to _____ their environments.
__________people relaxation and pleasure, but it can also increase their knowledge of any kind.
It was in the lab __________was in the charge of Professor Smith __________they carried out the experiment.
—Bad luck. My computer doesn’t work. —Why not turn to John? No one can match him in our class when it __________repairing computers.
Every year about one million tourists visit Stonehenge, which is believed __________before the Pyramids, about 4,000 years ago.
__________I don’t like the film, the leading actor’s performance gave me a deep impression.