listen!there is someone ()(sing)in that buildingsing的形式
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listen!thereissomeone()(sing)inthatbuildingsing的形式listen!thereissomeone()(sing)inthatbuildingsing的形式
listen!there is someone ()(sing)in that buildingsing的形式
listen!there is someone ()(sing)in that building
sing的形式
listen!there is someone ()(sing)in that buildingsing的形式
singing