短文填空。
Zhang Qin is a nineteen-year-old young man. Two years ago, when he 1______ middle school, he found
work in a shop. Usually he worked 2______ nine o'clock in the evening. When he got home, he always felt very
tired. After a quick supper he went to bed and fell 3______. So he never made any noise and his grandfather
was very pleased with him.
One day he went back from work a little 4______. On his way home he met Li Jun, one of his 5______.
They were both very happy. Zhang Qin asked Li Jun to his house, and Li Jun agreed. Li Jun 6______ some fruit
and drink. They talked about their school, their teachers, their classmates and their 7______. They talked for a
long time.
"Have a look at your watch, please." Said Li Jun," What's the time now?"
"Sorry, there is something wrong with my watch." Said Zhang Qin." Where is 8______?"
"I 9______ it at home."
Zhang Qin thought for a moment and found a way. He began to jump on the floor.
The sound woke his grandfather up. The old man shouted 10______." It's twelve o'clock, Zhang Qin. Why
are you still jumping upstairs?"
( A. asleep B. future(s) C. downstairs D. finished E. until F. classmates G. left H. earlier I. brought J. yours )
残根，做桩冠修复已做根管治疗，检查叩诊（-），无松动，X线片示根充良好，根尖无阴影，下列桩冠牙体预备错误的是（）。