完形填空。HaveyoueverplantedafewtreesonTreePlantingDay?Eachy...
問題詳情：完形填空。HaveyoueverplantedafewtreesonTreePlantingDay?Eachyear,millionsofpeople,botholdandyoung, 1 alotoftrees.Butthismaynotbethebestwaytomakeyourhomea 2 place.LastweekwevisitedaparkinHeb...