With ________ successful launch of the first space lab module Tiangong-1, China’s space dream has taken ________ step closer to reality.
A.the; a | B.不填; a | C.a; the | D.the; 不填 |
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With ________ successful launch of the first space lab module Tiangong-1, China’s space dream has taken ________ step closer to reality.
A.the; a | B.不填; a | C.a; the | D.the; 不填 |