Mary has been looking forward in the past 10 years to______the Great Wall.

If we keep wasting so much energy, ________are that our oil wells will dry up and the environment will be destroyed.

New computers are soon out of date since newer models are ________ constantly.

Rather than sticking to the principles stubbornly, China is now adopting a new concept in economic policies in a/an _______way that shows its own characteristics.

Life of Pi ________ by Ang Lee and his team is widely recognized as a best movie picture.