This is a new ______ to language teaching, which can stimulate students’ interest to learn the language.

Mo Yan’s winning the 2012 Nobel Prize for Literature shows the world’s _______ of contemporary Chinese Literature.

Before the final examination,many students have shown      of tension.Some have trouble in sleeping while others have lost their appetite(胃口).

There is a growing______for people to work at home instead of in offices. 

The police always take ________ of dogs’ sharp sense of smell to search for the survivors in the earthquake.