17、In England，nobody under the age of l8 is allowed（允許）to drink in a public（公共的）bar．Mr. Thompson used to（過去常常）go to a bar near his house quite often，but he never took his son Tom，because he was too young．Then when Tom had his eighteenth birthday, Mr. Thompson took him to his usual bar for the first time．They drank for half an hour, and then Mr. Thompson said to his son．“Now Tom．I want to teach you a useful lesson．You must be always careful not to drink too much．And how to know when you’ve had enough? Well．I’ll tell you．Do you see those two lights at the end of that bar? When they seem（看起來）to become four, you’ve had enough and should go home” “But, sir．”Said a waiter nearby “There is only one light at the end of the bar．”

（   ）1．In England，anybody can’t drink in a public bar until he is ______years old．

    A．sixteen                 B．seventeen             C．eighteen

（   ）2．Were there four lights at the end of the bar? _______．

    A．Yes．there were．  B．No．there weren’t．C．I don’t know