--- Hello! Is Mr. John in the office?
--- Yes. But I’m sorry. He is busy _________ and can’t speak to you.
| A．at once | B．at present | C．at the end | D．at first |
相关知识点
推荐试卷
--- Hello! Is Mr. John in the office?
--- Yes. But I’m sorry. He is busy _________ and can’t speak to you.
| A．at once | B．at present | C．at the end | D．at first |
试题篮
()
粤公网安备 44130202000953号
