Thepoordog的精選

問題詳情：Thepoordogthreeyearsago.Ithasbeenforthreeyears.；died g；dead；dead ；died【回答】C點撥：本題用尋找題眼法。由threeyearsago可知，句中的動詞應用過去式，排除A、B選項。由forthreeyears可知，句中的動詞應用延續*動...