The driver was at ______ loss when ______ word came that he was forbidden to drive for speeding.
--- Have you finished the book? --- No, I’ve read up to _______ the children discover the secret cave.
He was late for the meeting _________ the heavy snow.
They tried to convince her _______ his innocence.
We can never expect ______ bluer sky unless we create _______ less polluted world.
Was he sorry for what he’d done ?