语法与词汇 20.The British are not so familiar with different cultures and other ways of doing things, ______is often the case in other countries.

【正确答案】 A

【答案解析】该题后半部分属关系代词as连接引出定语从句结构，可置于句首，也可放在句尾。that不能用于非限制性定语从句。