【题目】I'm happy to see great______ have taken place in my hometown. Many new roads have been built.
A.experiences
B.memories
C.changes
D.promises

【答案】C
【解析】考查名词。句意：看到家乡发生了巨大变化我很高兴。修建了许多新的道路。experiences“经历”；memories“记忆”；changes“变化”；promises“诺言”。根据句意，选C。