问题
选择题
| Chengdu Metro Line l, _____ into use in October 2010, has made the traffic in this city not so busy. |
A. to be put B. being put C. having put D. put |
答案
答案：D
搜题请搜索小程序“爱下问搜题”
| Chengdu Metro Line l, _____ into use in October 2010, has made the traffic in this city not so busy. |
A. to be put B. being put C. having put D. put |
答案：D