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题目内容
（华北水利水电大学英语）
Whehe started his company, Do_____________.
·spent most of his time otest flights
·was mainly interested idesigning balloons for advertising
·worked hard, whereas now he relaxes
·built the balloons at home
·spent most of his time otest flights
·was mainly interested idesigning balloons for advertising
·worked hard, whereas now he relaxes
·built the balloons at home
参考答案
