She loves giving parties, and does so whenever she can find_______.
--- What do you know about Darwin after he returned from the trip by sea? --- Well, he got married and _____ down to live in Kent.
Tom is _____ to miss the early bus because he got up late.
I’d like to take _____ of this opportunity to thank you for your help.
Most people would agree that nuclear science should be developed to benefit the human being ____ harm them.
Not until the early years of the 19th century _____ what heat is.