I a flight attendant for two years now. A. have become B. have been C. became——青夏教育精英家教网—

摘要： I a flight attendant for two years now. A. have become B. have been C. became D. was

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I ______a flight attendant(空中服务员) for two years now.

A. have become B. have been C. became D. was

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