(2013·辽宁，29)To her joy，Della earned first the trust of her students and then ________ of her colleagues.

  ----Why don’t you ______ to a more sensible method? ----Well, I’m thinking about it.

 He made a good preparation for the job interview, for he couldn't ________ losing the good opportunity.

Michelle found a job as a high school teacher which ________ spending quite a lot of time with students. 

 Only teachers are permitted to enter the reading room, that is to say, the reading room is only________ to teachers.