—What do you think of the book? —It’s ______ a book. It serves as (充当)a really good guide to job hunters.

 —If you don’t like the red coat， take the blue one.　　—OK， but do you have ______ size in blue？This one’s a bit tight for me.

After playing football for more than half an hour, the students took ______ rest.

The girl looked at me with a ________expression at the ______ computer program.

We were _____ at the_______ news that he died yesterday.