I would have come sooner but I ________ that they were waiting.
| A．haven’t known | B．hadn’t known | C．don’t know | D．didn’t know |
相关知识点
推荐试卷
I would have come sooner but I ________ that they were waiting.
| A．haven’t known | B．hadn’t known | C．don’t know | D．didn’t know |
试题篮
()
粤公网安备 44130202000953号
