It was announced that only when the terrible disease was under control _____ to return to their homes.
_________ returns first will win the big prize.
—Mary said Leo worked really hard. — _______.
— I regret _______ you that you failed the exam. — How I regret _______ so much time playing computer games.
The doctor insisted that the patient ______ seriously ill and that an operation _____ in no time.
When you’ve finished with that book, don’t forget to put it back on the shelf, _______?