My father has much __________ in doctors of traditional Chinese medicine.
Steve Jobs, the former CEO of Apple Computer, passed away October,2011.
Happy times usually pass quickly without .
--- , but are you forgetting something? --- Oh, my God. We haven’t fix our next meeting yet.
food is hard to find, few birds remain throughout the year.
The boss________company I worked in two years ago has________in solving such kind of problem.