题目内容
【题目】By the time California e（选举） to become the thirty-first federal state of the USA in 1850,it was already a multicultural society.
【答案】elected
【解析】发生在过去的事情，所以用一般过去时，填elected.
练习册系列答案
相关题目
题目内容
【题目】By the time California e（选举） to become the thirty-first federal state of the USA in 1850,it was already a multicultural society.
【答案】elected
【解析】发生在过去的事情，所以用一般过去时，填elected.