完形填空 In England nobody under the age of eighteen is allowed(允许) to drink in a public bar(公共酒吧). 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 !' (     )1.  A. always (     )2.  A. short (     )3.  A. in (     )4.  A. for (     )5.  A. talked (     )6.  A. story (     )7.  A. little (     )8.  A. in (     )9.  A. one (     )10. A. may B. often B. young B. on B. to B. told B. word B. much B. by B. two B. can C. sometimes C. poor C. at C. with C. spoke C. lesson C. some C. at C. three C. will D. never D. small D. by D. in D. said D. class D. enough D. on D. four D. should