英语翻译你曾经听过印度的音乐吗?她曾经坐火车旅行吗?从今早七点那些警察一直在这里.从两年前开始他一直在那个城市工作.从上

have you ever heard indian music?
has she ever travle by train?
those policemen have been here since 7am this morning
he has been working in this city since 2 years ago
we have been reading this book since last week
you haven't learnt those new words
who has left?
what has he taught you?