If you are _____ about Australian cities, just read the book written by Dr Johnson.

. How cold it is! We’ve never had ______ this winter.

As we know, adults are not ______ ; they do not move comfortably to another place.

—If not controlled, some terrible diseases will spread in the stricken areas after the terrible earthquake.—So people there are in _____ need of medical teams.

The police always take advantage of dogs’ ____ sense of smell to search for something.