来自秦绪文的问题
Whileshe()TV,she()asoundoutsidetheroom.Awaswatching,washearingBwatched,washearingCwatched,heardDwaswatching,heard
Whileshe()TV,she()asoundoutsidetheroom.
Awaswatching,washearingBwatched,washearingCwatched,heardDwaswatching,heard

