They did everything in their power to save the building dating back to the Qing Dynasty, but their efforts were _______

It was with great joy ________ he received the news that his lost daughter had been found.

There is still a copy of the book in the library.Will you go and borrow_____—No，I’d rather buy_____in the bookstore.

My sister asked me to go there by train, because the train ticket is ______ the plane ticket[ ]

It long before we the result of the experiment. [ ]