--- The old man is 80 years old and lives .
--- But he doesn’t think he feels . He lives happily every day.
A. alone; alone
B. lonely; alone
C. alone; by himself
D. alone; lonely
网友回答
A. alone; alone
B. lonely; alone
C. alone; by himself
(答案→)D. alone; lonely
解析：alone 为副词adv单独地；lonely为形容词，表示孤独的，带有感情色彩，一般与feel连用，因此第一空用alone，而第二空为lonely，故选答案为D