It was on July 1, 2006 ___ Qinghai-Tibet
问题:
It was on July 1, 2006 ___ Qinghai-Tibet railway began operation, ____ is a symbolic project in
China's West Development Strategy.[ ]
A. when; that
B. that; when
C. which; when
D. that; which
It was on July 1, 2006 ___ Qinghai-Tibet railway began operation, ____ is a symbolic project in
China's West Development Strategy.[ ]
A. when; that
B. that; when
C. which; when
D. that; which