The high-speed railway linking Zhengzhou in Henan province to the western city of Xi'an in Shanxi province, started __________ January 17, 2010.
A.in | B.for | C.on | D.since |
The high-speed railway linking Zhengzhou in Henan province to the western city of Xi'an in Shanxi province, started __________ January 17, 2010.
A.in | B.for | C.on | D.since |