In England nobody under the age of eighteen is allowed to drink in a pubic bar.Mr Brown usually went to a bar near his house, but he 1 took his son, Tom, because he was too 2 .Then, 3 Tom’s 18th birthday, Mr Brown took him to his usual bar 4 the first time.They drank for half an hour, and then Mr Brown 5 , “Now, Tom, I will tell you a 6 .You must always be careful not to drink too much.”“And how do you know when you’ve had 7 ?”“Well, I’ll tell you.Can you see those two lights 8 the end of the bar? When they seem to have become 9 , you’ve had enough and 10 go home.”
“But Dad,” said Tom, “I can see only one light there!”