He never smiles,so people call him a s______ person.这里应该填什么单词呢?

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/26 18:06:29

He never smiles,so people call him a s______ person.这里应该填什么单词呢?

serious(严肃的)或 strange(奇怪),不知道对不对.