完形填空。 A man and his wife had a small restaurant near a station. The restaurant often stayed open __ 1 __ midnight, because people came to drink and have meals __ 2 __ they were waiting for trains. At two o'clock one morning, a man was still sitting __ 3 __ a table there.  He __ 4 __ .  The wife of the owner of the restaurant was very sleepy and wanted to go to bed.  She looked at the man several times and went.  But each time she looked the man was still there sleeping. Then, __ 5 __ him up, __ 6 __ she went to her husband and said to him, 'You have woken him six times now, but why haven't you __ 7 __? It's very late. ' 'Oh, no. I didn't __ 8 __ him away.' answered her husband with a smile. 'You see,  whenever I __ 9 __ , ask for his bill,  he pays it and then __ 10 __ again. ' (     ) 1. A. after (     ) 2. A. while (     ) 3. A. on (     ) 4. A. was sleep (     ) 5. A. waking (     ) 6. A. at first (     ) 7. A. sent him away (     ) 8. A. want send (     ) 9. A. wake and (     ) 10. A. goes sleeping B. until B. but B. to B. was waken B. wakes B. at last B. sent away him B. want sending B. wake him up B. goes to asleep C. when C. after C. at C. was working C. to wake C. last time C. to send him away C. want to ask C. to wake him up C. goes to sleep D. before D. and D. in D. was aslcep D. wake D. in end D. sending him away D. want to send D. waking him up D. goes to sleeping