新概念英语第一册Lesson 90 Have you…yet?
英语世界 来源： 作者： 发布时间：2007-12-11
cut—cut—cut come—came—come rise—rose—risen
put—put—put give—gave—given see—saw—seen
read—read—read swim—swam—swam speak—spoke—spoken
set—set—set take—took—taken shut—shut—shut
eat—ate—eaten do—did—done go—went—gone
