In England nobody under eighteen years old is allowed (允许) to drink in a bar (酒吧). M

r. Thompson often went to a bar near his house.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 an hour.Tom drank a bit.Then Mr. Thompson said to his son,“Now, Tom, I want to teach you a useful lesson.How do you know when you’ve had enough？ Well, I’ll tell you.Do you see those two lights at the end of the bar？ When they seem to become four, you’ve had enough and should go home.”

“But, Dad,”said Tom,“I can only see one light at the end of the bar.”

20、Young people ______ allowed to drink in a bar until eighteen()

A.is not

B.are not

C.many

D.must

21、When Tom was a child, his father often went to a nearby bar______ taking him()

A.by

B.for

C.with

D.without

22、On Tom’s eighteenth birthday, he drank together with his father in that bar for ______()

A.the first time

B.once

C.many times

D.eighteen times

23、Father wanted to tell his son ______()

A.the time to drink

B.something about the light

C.when to stop drinking

D.something about the bar

24、In fact (事实上), there ______ at the end of the bar

A.was one light

B.were two lights

C.were three lights

D.were four lights