Tony couldn’t remember ______he had turned off the computer before he left the office．
| A．that | B．where |
| C．when | D．whether |
相关知识点
推荐试卷
Tony couldn’t remember ______he had turned off the computer before he left the office．
| A．that | B．where |
| C．when | D．whether |
试题篮
()
粤公网安备 44130202000953号
