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

If you are able to create a positive ______towards reading in your home ,your children will be more likely to seek out reading as a way to gain praise

At the meeting they discussed three different _______ to the study of radioactive waste.

Future will be a marvelous world of artificial ______----- robots might have their emotions and we human beings might have robots as friends．

—I am feeling cold.—To have some hot soup will ________.