They were walking along the shore _______ a huge wave appeared out of nowhere, sweeping them out to sea.
_____ you have the chance to go to the university in the future, you must take it.
If you don’t know that _____ failure is the mother of success, you are sure to be _____ failure in life.
It is the ability to do the job___matters not where you come from or what you are.
--There is still a copy of the book in the library. Will you go and borrow _____? --I’d rather buy _____ in the book store.
_____ cold weather, the workers are still working at the working site.