摘要：13．In January, 2004, the United States successfully launched “Spirit , a Mars Exploration Rover, a new milestone in the history of mankind． A．it marked B．marking C．marked D．to mark
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In January , 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.
A. it marked B. marking C. marked D. to mark
查看习题详情和答案>>In January, 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.
A. it marked B. marking C. marked D. to mark
查看习题详情和答案>>In January , 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.
A. it marked B. marking C. marked D. to mark
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