The factory opened twenty years ago等,英语同义句转换.
The factory opened twenty years ago改成The factory〔 〕 〔 〕 〔 〕for twenty years .
Miss Gao left an hour ago改成Miss Gao 〔 〕〔 〕〔 〕for an hour
Her mother has been a Party member for three years 改成Her mother〔 〕the Party three years〔 〕
The Green Family moved to France two years ago改成﹝﹞﹝﹞﹝﹞two years ﹝﹞the Green Family moved to France.