It's ___ to buy me a book.I have borrowed one from the school library.(need)
问题描述：
It's ___ to buy me a book.I have borrowed one from the school library.(need)
答
unnecessary
It is adj（for/of sb） to do sth的句型
没有必要给我买本书了,（因为）我已经从校图书馆借了一本