1Davidwasinthebarber的精选

问题详情：句型转换。1.Davidwasinthebarber’swhentheUFOarrived.（对划线部分提问）____________________DavidwhentheUFOarrived?2.Wewerelisteningtotheteachercarefullywhenshecamein.（对划线部分提问）_________________...