She has been writing a novel and it will be finished before the end of the year.句子“the year”中的the用的对不对?it指代的是什么?为什么指代的不是别的?

She has been writing poems since her childhool.(改为复合句) She has been writing poems since___ She ____letters all morning and felt tired.A has been writing B writes C had been writing D has written Where has she been? She has been hopeless是什么意思? she has been heard of Sb has been involved in proposal writing怎么翻译 Jennie --- her mother daily since she had been East.A.wrote B.was writing C.has written D.had written 但我觉得应该是A 用for,since填空,顺便教一下现在完成时,have you been studying Japanese( )many years?they have been watching TV( )hours!has she been writing poetry( )she stated school?she is been making music( )she was young.he is been playing the guitar( 翻译:She has never been there,has she? she has been to beijing (twice)提问 she has not been around this week She has been working for 20 hours She has been to Xi'an b( ). Perhaps she has been in place then? She has been collecting stamps谢谢了 Father is busy writing postcards this morning and______ten so far.A.wrote B.was writing C.has written D.has been writing为什么选D?D是什么时态? He____(has written/has been writing)six books and i__(have read/have been reading)them all. 是how long has she been learning…还是how long has been she learning…