The country has already sent up three unmanned spacecraft，the most recent at the end of last March.
A. has been launched
B. having been launched
C. being launched
D. to be launched
The country has already sent up three unmanned spacecraft，the most recent at the end of l
答案:2 悬赏:60 手机版
解决时间 2021-04-05 17:39
- 提问者网友：沦陷
- 2021-04-05 03:13
最佳答案
- 五星知识达人网友：骨子里都是戏
- 2020-03-31 13:03
A. has been launched(答案→)B. having been launchedC. being launchedD. to be launched解析： 独立主格结构作状语，排除谓语动词形式，即A项。“the most recent”与“launch”为逻辑上的被动关系，且“launch”在谓语动词之前发生。
全部回答
- 1楼网友：冷風如刀
- 2020-01-11 00:14
这下我知道了
我要举报
如以上回答内容为低俗、色情、不良、暴力、侵权、涉及违法等信息，可以点下面链接进行举报！
点此我要举报以上问答信息
大家都在看
推荐资讯