题目内容：
In Canada, citizens,_________their backgrounds, are free to keep and promote their cultural heritages.
A.regardless of
B.instead of
C.owing to
D.according to
参考答案：
答案解析：
选择题：In Canada, citizens,_________their backgrounds, are free to keep and promote the
- 题目分类：教师资格
- 题目类型：选择题
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