AtlastfirefightershaveputoutabigforestfireinCalifornia．...
問題詳情：AtlastfirefightershaveputoutabigforestfireinCalifornia．Sincethen，they 41． (set)aboutfindingout42． thefirebegan．Forestfiresareoftencausedby 43． (break)glassorbycigaretteendswhichpeoplecarelessly...