“螳螂捕蝉,黄雀在后”这句成语揭示了动物之间的( )
The English novel is quite easy for you. There are ________ new words in it.
Tom, please pass ________ the pen.
Did you hear the ________ report?
We will have a ________ holiday after the exam.
In ________ time, those mountains will be covered with trees, too.