There was time when the Chinese used foreign oil. A. a B. an C. the D. /——青夏教育精英家教网—

摘要： There was time when the Chinese used foreign oil. A. a B. an C. the D. /

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There was ______ time when Chinese used foreign oil.

A. /　　 B. a 　　　 C. the　　　 D. An

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