The island of Puerto Rico has been an American possession since the Spanish-American war of ______.
A、1898
B、1897
C、1899
D、1896
【正确答案】：C
【题目解析】：The island of Puerto Rico has been an American possession since the Spanish-American war of 1899.参加教材P190。
掌握“Racial and Ethnic Groups(USA)”知识点。
