With ________ successful launching of Tiangong1,China's space dream has taken ________ step closer to reality.
A.the;a | B./;a | C.a;the | D.the;/ |
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With ________ successful launching of Tiangong1,China's space dream has taken ________ step closer to reality.
A.the;a | B./;a | C.a;the | D.the;/ |