The invention of the typewriter was a great_______  to communication and printing.

The heroic story that the university student had saved a peasant’s life hit the ________ in China Youth Daily.

Your _______ as a student will be excellent if you develop a habit of reflecting on how you learn.

.--- I’m sorry I stepped outside for a smoke. I was very tired.. --- There is no ________ for this while you are on duty.

We bought the house for its _________. It is very near the shop where I work.