↑ 收起筛选 ↑
试题详情

All these postcards must be mailed at once      in time for the Spring Festival.

A. to have received   B. so as to be receiving

C. so as to be received   D. to receive

高一英语单项填空中等难度题

少年,再来一题如何?
试题答案
试题解析
相关试题