请判断下列句子中划线部分单词的词性
A. 形容词 B. 副词 C. 介词 D. 连词
I can’t sleep the night before an exam.
I’m really anxious, because I can’t find my backpack.
Amy is a most unusual woman.
请判断下列句子中划线部分单词的词性
A. 形容词 B. 副词 C. 介词 D. 连词
I can’t sleep the night before an exam.
I’m really anxious, because I can’t find my backpack.
Amy is a most unusual woman.