作业帮One day a rich father took his young son_ a trip to the countryA.in B.for c.at d.on 说明理由
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One day a rich father took his young son_ a trip to the countryA.in B.for c.at d.on 说明理由
One day a rich father took his young son_ a trip to the countryA.in B.for c.at d.on 说明理由
One day a rich father took his young son_ a trip to the countryA.in B.for c.at d.on 说明理由
on
on a trip to.是固定搭配,去某地的旅途中
选d
on a trip to...是固定搭配
on a trip to...在去...的途中