pleaseremain的精选

问题详情：Ladiesandgentlemen，pleaseremain________untiltheplanehascometoacompletestop.A．seated                     B．seatingC．toseat                      D．seat【回...

问题详情： Pleaseremain________untiltheplanehascometoacompletestop.A.toseat             B.tobeseated         C.seating             D.seated【回答】D知识点：非谓语动词题...