题文
Listen! Someone __________ at the door. I'll go to see who it is.
| A．has knocked |
| B．is knocking |
| C．are knocking |
| D．knocks |
推荐试卷
Listen! Someone __________ at the door. I'll go to see who it is.
| A．has knocked |
| B．is knocking |
| C．are knocking |
| D．knocks |
试题篮
()
粤公网安备 44130202000953号
