| 标题 | hasbeen后面加什么词 |
| 范文 | Only time will tell if the treatment has been successful. 只有时间才能证明这种疗法是否成功。 The system has been in operation for six months. 这个系统已经运行六个月了。 The company has been investing in new plant and equipment. 这家公司一直在投资购置新机器和设备。 A new system has been devised to control traffic in the city. 控制城市交通的新系统已经设计出来。 Digital television has been around for some time now. 数字电视已经面市一段时间了。 上一篇：let后面加什么格 下一篇：体检用英文怎么表达 |
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