I have been writing articles for ten years., He has been reading the book for two hours., Mario and Ana have been playing football for an hour, My ex has been traveling around the world for a month., The poet has been writing romantic poems for several hours., Have you been listening to indie songs since morning?, My dad has been cooking for three hours., Has that girl been waiting here for two and half hours?, Recently, I have been feeling really tired., What have you been doing?,

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