TherewillbeaspeechonourschoolplaygroundthisSaturdayafte...
問題詳情：TherewillbeaspeechonourschoolplaygroundthisSaturdayafternoon,whichthemeis“Tocivilizeschoolyardismyresponsibility”．Alltheteachersandstudentsrequiredtoattend．Intheactivity,thefirsttwowinnerineac...