问题
选择题
Lucy felt on top of the world when she received the birthday present.
A．very excited
B．very lucky
C．very happy
D．very proud
答案
答案：C
题目分析：句意：当她收到这个生日礼物的时候，露丝感到非常高兴。on top of the world意思是，在世界之巅，在这里是幸福到极点,心满意足。意思是very happy.