69. He was wearing a very ( 严 肃 的 ) expression and I knew something was wrong.
参考答案
serious
He was wearing a very ( 严 肃 的…——2012 高考英语第 69 题答案解析
2012_省自主命题（陕西）
题目指纹
这道题真正考什么？
难度
区分题
2012_省自主命题（陕西）
69. He was wearing a very ( 严 肃 的 ) expression and I knew something was wrong.
serious