一、单句填词
1. He is not c_______ with his present job; he is hunting for a new one.
2. You should try to make your boss _______ (确信的) of your ability to do the work well.
3. I think this is the best film I have seen _______ (导演) by Zhang Yimou.
4. Micro messages are very popular in recent years, _______ (特别) among young people.
