以a开头的形容词只能做表语

　　例句：

　　People are still terribly apprehensive about the future.

　　人们对于将来仍然非常担心。

　　She was apprehensive about her son's safety.

　　她很担心儿子的安全。

　　The book was written in a style appropriate to the age of the children.

　　这本书的文体适合儿童阅读。

　　Jeans are not appropriate for a formal party.

　　正式聚会上穿牛仔裤不合适。

　　he has access to all manner of arcane knowledge that even I do not.

　　她知道各种神秘的知识，很多我都没听说过。