The years have obscured the name of this professor,but not the lesson he thaught

have been arrested over the years 翻译 She have bought the computer since three years ago I have bought the computer for two years.怎么改? I have joined the club since three years ago How much have you grown in the last three years? cooks who have been at the job many long years. great changes have taken place over the past fifty years. The old couple_for forty years.A.have married B.have got married C.have been married I -------the dictionary for 2 years.have been和 have had为什么选have had I have had the bike for ten years.I_______the bike for ten years ago. 怎样理解I have had the bike for two years/since two years ago中的have had I have joined the Part for 3years .I have been a member of the Part for 3years那个对.为什么I have joined the Part for 3yearsI have been a member of the Part for 3years The smiths have been in China for two years.改成（ ) ( ) two years since the Smiths came toChina in the past few years there have been great changes in my city,为什么是have They have know each other for 10 years.同意句 The have know each other ____2001. The Smiths (have been living) here for ten years 为什么不能用 have been lived 为什么是Most families have bought family cars over the years不是have had才对吗 Five years ( )since China first hosted the Asian Games.填 have passed 还是 have past?