问题详情：
![—Whydoyou]( "—Whydoyou")
—Why do you ____ very happy this afternoon?
—Because we are going to spend the evening at Lily’s house.
A. taste B. sound C. look D. smell
【回答】
C 连系动词后面用形容词作表语。根据题意，“今天下午你为什么看起来很高兴
呢？”，只能用look看起来。taste尝起来；sound听起来；smell闻起来。故选C。
知识点：相似 相近词比较
题型：选择题
