I have been reading your newspaper for many year with a great enthusiasm and interest.这里enthusiasm不是不可数吗,怎么用a呢

I went our last night,and she may have been reading.为什么用reading i have read the book和i have been reading the book有什么分别 I feel tired.I _____all morning.A、readB、have readC、are readingD、have been reading谢谢 I have reading Every time I see him,he's been reading.Every time I have seen him,he's been reading.有何不同? I have been reading the new book （）the whole morningbefore simce还是 for I'd like to have you made friends with you to have been reading a novel . 什么意思? reading dictionaries is more interesting than reading some dull novels?I found that reading dictionaries is more interestingthan reading some dull novels that we sometimes callclassical.I have never been to outside world,I learn western knowledge o 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 remember _______ the book last week. It was quite interesting.A) to read B) reading C) to be reading D) to have been read up to now只能与现在完成时连用吗?Up to now I have been reading this book.这个句子对么? I have been reading the interesting book (since two days ago).对括号的部分提问.速求、、