13、China has          about 18 billion yuan on the manned spaceship project in the past 11 years and has made great progress.

A.spent             B.cost             C.used               D.paid

13、A

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China has          about 18 billion yuan on the manned spaceship project in the past 11 years and has made great progress.

A.spent             B.cost             C.used               D.paid

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