问题补充：
This is a vacation. I’m really .
A. relaxing; relaxing
B. relaxed; relaxed
C. relaxing; relaxed
D. relaxed; relaxing
答案：
A. relaxing; relaxing
B. relaxed; relaxed
(答案→)C. relaxing; relaxed
D. relaxed; relaxing
解析：此题重点考察relaxing和relaxed的区别，前者是现在分词，表示主动意义，常用来修饰物；后者是过去分词，表示被动意义，常用来修饰人。
