Computers in offices and homes since 1970s．
A. was
B. had been used
C. have been used
D. has been used
Computersin offices and homes since 1970sA. wasB. had been usedC. have been usedD. has be
答案:2 悬赏:80 手机版
解决时间 2021-04-10 07:40
- 提问者网友：夢醒日落
- 2021-04-09 10:00
最佳答案
- 五星知识达人网友：由着我着迷
- 2021-04-09 10:37
A. wasB. had been usedC. have been usedD. has been used解析：可联系答.案.网客服索取。
全部回答
- 1楼网友：孤独的牧羊人
- 2021-04-09 12:06
对的，就是这个意思
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