In Chinese _____, old people’s advice is of great _____. 

Our English teacher has just got a, _________ you’d call it, err … a pocket dictionary.

—Where does your sister work, Jack? —She works in a ___________. 

Whatever he does, once he sets up a goal, he would start pursuing it without _______.

There is reason to believe that most writers have difficulty in ______ the opening paragraphs of their papers.