【多选题】【消耗次数：1】
_____________ , he began to write a report.
①
Finish the exploration
②
Having finished the exploration
③
The exploration finished
④
The exploration finish
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相关题目
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15.—Have you finished your report ? ---No, I will finish it in _____20 minutes.
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【单选题】
10.In January, 2004, the United States successfully launched “spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.
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it marked
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-Must I finish the report today? -_____________________.You can finish it tomorrow.
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Yes, you must
②
No, you mustn’t.
③
No, you don’t have to
④
yes
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①
it marked
②
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③
marked
④
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【单选题】
In January, 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover（火星控测飞行器）, ____ a new milestone（里程碑）in the history of mankind.
①
it marked
②
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③
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【单选题】
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①
folded
②
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③
turned
④
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为合理、有效的应用现有化学药物提供理论基础
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生产化学药物提供科学合理、技术先进、经济实用的方法和工艺
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