句型转换 （本大题共5分，每空0.5分）
My mother has already given the present to me.(改为否定句)
My mother _________ given the present to me _________.
Daniel borrowed the book from the library a week ago.
Daniel _________ _________ the book from the library for a week.
Picking a good topic before writing is important for the writer.
_________ important for the writer _________ _________ a good topic.
My uncle returned from Dalian last Monday.
My uncle _________ _________ _________ from Dalian since last Monday.