Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
The handwritings are so blurred (模糊) that it is difficult to（ ）.(identification)
【正确答案】：IDENTIFY
【题目解析】：
本题考查的是常见名词的动词。
由it is difficult to可知，空缺处应填动词构成不定式，identification的动词形式是identify意为“辨认”。
句意：这个笔迹是如此的模糊以至于难以辨认。