The professor has written another book ____ of great importance to computer science.
The researchers found clear and convincing evidence _______ happiness is the key when it comes to better health and longer lives.
—What is the result of the survey?—15% of those surveyed worry that in the long term children _________ be more dependent on their parents, which does no good to them.
Freedom-loving young students dislike being restricted by rules, especially ______ which are “outdated” in their eyes.
—How anxious Ruby is! I wonder what on earth she ________.—I’m afraid nobody knows. She is always so strange.
The moonlight was quite bright, and about fifteen yards up the road there was a deep _______ thrown by a tree.