41 Smoke alarms double the chance of your family ＿＿＿＿＿ a fire, so it goes without saying that yousho
問題詳情
41 Smoke alarms double the chance of your family ＿＿＿＿＿ a fire, so it goes without saying that youshould have several. (A)building (B)circulating (C)igniting (D)surviving