—Sam,couldyoutellmesomethingaboutEarthHour?—Sure.People...
问题详情:—Sam,couldyoutellmesomethingaboutEarthHour?—Sure.Peopleusuallyturnofflightsandkeepthemoffforanhour.A.switchoff B.takeoff ...
问题详情:—Sam,couldyoutellmesomethingaboutEarthHour?—Sure.Peopleusuallyturnofflightsandkeepthemoffforanhour.A.switchoff B.takeoff ...