—Sam,couldyoutellmesomethingaboutEarthHour?—Sure.People...
問題詳情:—Sam,couldyoutellmesomethingaboutEarthHour?—Sure.Peopleusuallyturnofflightsandkeepthemoffforanhour.A.switchoff B.takeoff ...
問題詳情:—Sam,couldyoutellmesomethingaboutEarthHour?—Sure.Peopleusuallyturnofflightsandkeepthemoffforanhour.A.switchoff B.takeoff ...