问题补充：
Many football fans stay up to watch the European Championship, which is currently being co-hosted by Poland and Ukraine.
A. exciting; exciting
B. excited; excited
C. exciting; excited
D. excited; exciting
答案：
A. exciting; exciting
B. excited; excited
C. exciting; excited
(答案→)D. excited; exciting
解析： 考查过去分词与现在分词的区别。修饰人，应用过去分词；修饰物应用现在分词。激动的球迷，此处的“激动的”是修饰人，故用excited;而“激动人心的”欧洲杯，是修饰物，故用exciting。
