Lotsofrescueworkersw的精选

问题详情：Lotsofrescueworkerswereworkingaroundtheclock，suppliestoYushu，Qinghaiprovinceaftertheearthquake（）A．sendingB．tosend C．havingsent D．tohavesent【回答】A知识点：非谓语动词题型：选择题...