用所给单词和短语的适当形式填空

involve　focus　status　profound　vanish　endanger　apology　raise　anniversary　burden

1．The Siberian tiger is not the only _________ species and another famous animal in danger is the giant panda．

2．Mike seldom asks questions in class, but today he _________ a fairly good one．

3．Listening is a skill which most people lack, but communication is a two-way process－it _________ speaking and listening．

4．You owe him an _________ for what you said．

5．On December 11, 2001, China formally became the WTO’s 143rd member．This year is the 10th _________ of China’s entry into the World Trade Organization．

6．My keys were here a minute ago but now they've _________．

7．Peking University and 21 other top universities _________ more on the students’ real abilities such as creativity, imagination and learning skills．

8．What kind of job do you want to do in the future? A job that gives you the highest social _________ or one that makes you feel happy．

9．I will make an extra effort to help share the _________ of my friends and make their life better．

10．Whatever you do again and again turns into a habit．And your habits have a _________ effect on the quality of your life．