How muchshe looked without her glasses!
The author had qualified as a doctor but later gave up the _____ of medicine for full-time writing.
What I'm telling you is strictly _____. Do not let anyone know of it.
It was with great delight that I read in your February _____ the letter to the Editor written by Prof. Johnson.
Tell your brother to come _____, because it's going to rain in a minute or two.
A successful scientist needs _____ if he wants to make hypothesis (假设) of how processes work and how events take place.