| 年级 | 科目 | 问题描述 | 提问时间 |
| 初一 | 英语 | I ___ you for a long time. Where ___ you ___? | 2013-12-22 20:33:56 |
| I ___ you for a long time. Where ___ you ___? A. didn't see; did; go B. didn't see; have; gone C. haven't seen; have; been D. haven't seen; have; gone | |||
| 王老师 2013-12-22 20:36:11 | |||
C
have not seen/have been 用完成时态表示已经发生的事实 | |||
