【正文】
在完成時改寫句子 ) I have been here since I left school in 2022. and I knew each other two years ago.( 用現(xiàn)在完成時改寫句子 ) Sally and I have known each other for two years. borrowed the book one month ago.( 用現(xiàn)在完成時改寫句子 ) I have kept the book for one month. has already entered a writing petition.( 改為否定句 ) Mary hasn’t entered any petition yet . father has stayed in Tianjin for two weeks.( 對畫線部分提問 ) How long has your father stayed in Tianjin?