题文
In those days, we had no phones, so we have to keep in touch _____ writing often.
| A．with | B．of |
| C．on | D．by |
相关知识点
推荐试卷
In those days, we had no phones, so we have to keep in touch _____ writing often.
| A．with | B．of |
| C．on | D．by |
试题篮
()
粤公网安备 44130202000953号
