两道英文题：一I have been to Mount huang three times, 为什么three times 前不加for? 二The life were used to has changed greatly since 2012. 为什么has不加ing, great要加ly?

两道英文题：一I have been to Mount huang three times, 为什么three times 前不加for? 二The life were used to has changed greatly since 2012. 为什么has不加ing, great要加ly? I don't know when I have been loving lover、i won't love you until i have been 高一英语题（关于虚拟语气）Having been informed about the meeting,I ( ) it.A.don't missB.wouldn't missC.hadn't missedD.wouldn't have missed为什么选D? 请问“I shouldn't have been here.”怎么翻译? i wouldn't have been +过去分词是什么时态?例句 i wouldn't have been scared anyways I have been here since I was born 和I haden't seen him since he left NANJING.两句话为什么用的不是相同的时态? 这几道英文题怎么做啊?1, when he arrived at the bus stop, the bus___for 20 minutes. A,has left. B,had left. C,has been away. D,had been away. 2,I __ the League for 5 years so far. A,joined. B,have joined. C,have been in 3,You mustn't __ un I have been selling I have been trying I have ever been I too have been I have been to. I have been I have been in. i have't been to america .-_____A so have i B neither have i C so i have D neither i have求讲解此题 讲方法把选项也讲了 翻译 请教两道英文题第一道题：When she got to the office, she ___ a cup of tea.A. made B.was making C. makes D. has made第二道题：I ___ breakfast when the morning post came.A. had B. had been having C. was having D. have been I have never been to Beijing.I have never been there，either.（改为同义句）I have never been to Beijing._______ _________.（两空）