Wolves are very ______: they can live in forests, on open plains, or in the snows of the Arctic.

I must say, it’s a very     offer. The pay is higher and the working conditions are much better.

Greenland, ＿＿＿＿＿island in the world, covers even two million square kilometers. 

The work was difficult, but Tom’s ____expression showed that he would finish it in time.

--Is there anything else that I can do for you?--No, thanks. I am very ______ with what you’ve done for me.