1. A。细节题。从文中第 2 段 He lived alone and was very unhappy because he was so lonely 可知他不高兴的原因主要是很孤独，没有朋友，所以答案选 A。
2. B。细节题。从第 6 段 “Advertise for a friend in this magazine.” The monster wrote an advertisement 可知他登广告是为了找一个朋友，所以答案为 B。
3. C。判断题。此题可首先排除D(相貌好看的)，A、B两项描叙虽然正确，但从第 7段 But I am really a kind monster and will be a good friend to someone 可知此题的最佳答案应选C。
4. C。细节题。从 Please carry a flower so that I will recognize you 可知答案为 C。
