Millions of birds ________ every year, using a variety of adaptations and techniques to complete their journeys successfully.
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What is hard to _______ is sweet to recall.
The success of the movement has left that rather uncomfortable question________ in the air.
The annual awards for songwriting and composing are among Britain’s most_________ music prizes.
As the ________ goes, people who cannot find time for recreation are obliged sooner of later to find time for illness.