What worried the child most was _______ to visit his mother in the hospital.
____, I have never seen a person as warm-hearted and patient as Jack.
After a heated discussion, the chairman came to the conclusion _______ a better way to settle the argument would be found soon.
Can you tell me something about the new hospital that the mayor is eager to have ____ next month?
— What do you think of Mary? — There are some things that are not easy to _____, and her carelessness is one.
Henry broke the window. I’ll ask him why __________ .