Some kinds of animals can _______ the colour of their surroundings.
-- Are you free now? I have something interesting to tell you.--- OK, _____ you make it short. You know, I am busy.
My mobile phone is missing. Who _____ it?
The young man, _____ in heavy traffic on the way, got home an hour later than usual.
Don’t run red lights, _____ you may get run over by a car.
Language is changing all the time. Some English words today can mean totally different things to _____ they meant before.