—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.

—Can I help you with it?— I appreciate your _____, but I can manage it myself．

A teacher’s ________ to education is worth great respect of the whole society because it brings benefits to the development of society.

1 haven't got a single ______from Aunt Mary since I last saw her.

The managing director took the _____ for the accident, although it was not really his fault.