$69. He was wearing a very ______________ ($严肃的) expression and I knew something was
wrong.
参考答案
serious
2012_陕西卷 (英语)
$69. He was wearing a very ______________ ($严肃的) expression and I knew something was
wrong.
serious
【答案】serious
【解答】
【答案与解析】serious。修饰名词expression,无比较之意,用形容词原形。