题文
It _____ four years since we ______to learn English.
| A．is , began | B．has been , begin |
| C．has, been | D．had been ,began |
It _____ four years since we ______to learn English.
| A．is , began | B．has been , begin |
| C．has, been | D．had been ,began |
试题篮
()
粤公网安备 44130202000953号
