The old man looked as_____as he could at the letter from his son and looked _____(care)

问题描述:

The old man looked as_____as he could at the letter from his son and looked _____(care)
用所给词的正确形式填空

carefully careful
第一个是副词,修饰look at
第二个是形容词,看起来是小心的,判断句