Sit _____ you like.
For quite ______ students, their teacher's advice is more important than ______ of their parents.
It is very important for us to employ a word or a phrase according to the ______ in language studies.
It was on November 15, 2010 ______ a big fire happened in Shanghai, ______ was a great shock to lots of people.
Knowing office rules -- whether ______ or not -- is important, especially for young job seekers.
"I'm more nervous right now than when I ______," Jane said, as she saw the group of reporters waiting anxiously at the exit of the gym.