choice questionhe has been able to tell us a lot ______volcanoes.a.considering b.on the subject of c.in relation d.referringtell.on 和tell.about意思一样吗?

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choice questionhe has been able to tell us a lot ______volcanoes.a.considering b.on the subject of c.in relation d.referringtell.on 和tell.about意思一样吗?

choice questionhe has been able to tell us a lot ______volcanoes.a.considering b.on the subject of c.in relation d.referringtell.on 和tell.about意思一样吗?
choice question
he has been able to tell us a lot ______volcanoes.
a.considering b.on the subject of c.in relation d.referring
tell.on 和tell.about意思一样吗?

choice questionhe has been able to tell us a lot ______volcanoes.a.considering b.on the subject of c.in relation d.referringtell.on 和tell.about意思一样吗?
答案是b,没错
二者意思一样,都是介词 关于.on用于较正式的场合,如演讲,学术性的.about用于比较随意,日常的场合,如八卦……
只有这么一点点不同