自考英语（二）60讲 Lesson 25

本讲为2006年新的教学内容，请对照教材、练习册、语法书听录音！ to do   to play football happily   to listen   do                                           be done   be doing               have  done   have been done   to do          to be done   to be doing   to have done   to have been done   ___ (not do)       hardly … when…   scarcely … when …   no sooner … than …