Most animals and plants are _______ large or sudden changes in temperature, so the ocean is a safe and comfortable habitat.

  Of the Kar’s boys, Robert is the richest; in other words, Andrew and Krist are _____.

It is most ________that the experts will come to the area to investigate the possible damage caused by the heavy flood.

 As we all know, the functions of our skin are very        .

I am sorry, sir, but that kind of digital camera is no longer _______.