Excuses, excuses …
For years my husband, Tom, and I had complained bitterly about the lack of sidewalks in our village. We didn’t have enough exercise but we ___COULD_NOT___ jog because there were no sidewalks. Tom had often told ___ME___, «If only we had sidewalks, we would jog or walk daily and become models of fitness». So we were thrilled when a community sidewalk project was announced, and watched eagerly as paving neared completion. Then the ____WORST____ thing happened: wishful thinking and reality collided. «Well, dear,» Tom said. «What’ll we use as an excuse for not walking now?» I said I ___WOULD_THINK___ of some excuse.
Have you ever wondered about the origin of the green, yellow, and red colour scheme for traffic lights? In 1920, in Detroit, the USA, a policeman ___NAMED___ William L. Potts invented the four-way, three-colour traffic signal. It ___WAS_BASED___ on the colours used in the railroad system. Thus, Detroit ___BECAME___ the first city to use the red, green, and yellow lights to control road traffic.