—MrsWangtaughtEnglishinapoormountainvillageasavoluntee...
问题详情： —MrsWangtaughtEnglishinapoormountainvillageasavolunteerlastyear.—Shesaidshewouldneverforgetsomepleasant________whileworkingthere.A．experiments B．expressionsC．experiences D．emotions【...