- 问题详情:Anelderlyteacher,withapupilbyhisside,tookawalkthroughaforest.Suddenlyhe__6__(stop)andpointedtofourplantscloseathand.Thefirstwasjustbeginningtoappearslowlyabovetheground,thesecondhadrooteditselfprettywellintotheearth,thethirdwasasmallshorttree,whil...
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