The old man got into the _____ of storing money under the bed. 

—Mary was being badly treated when John happened to pass by and helped her out.—I think it was not a pure ________but had been well planned.

Some cyclists make the _______ that traffic laws do not _______ them. It is not true, _______.

To save some of the human languages before they are forgotten, the students in our school started a discussion “Save Our ________”

 Arriving home，the boy told his parents about all the________which occurred in his dormitory.