．Although it         in the desert most of the year, people still live there．

— That must have been a long trip. — Yeah, it _____ us a whole week to get there.

North Korea threatens to ________ from six-party talks aimed at ending North Korea's nuclear program unless its proper rights are to be satisfied．

 Every necessary means____ to protect milu deer which____ very valuable to us. As a result, the number of milu deer is increasing.

In the past 5 years a great deal of money _____ improving the environment of the school.