You must collect enough materials ___ (以前的) to your writing.
Before making any new plans, you must ___ (评估) the current environment.
I wasn’t ___ (通知) of the decision until too late.
I hope we can finish this before the ___ (截止日期).
He has told me about the new ___ (同事).
He envies her the position she has achieved in her ___ (职业).