题目内容
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 |
D
解析
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题目内容
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 |
D
解析