. — Is there a ____ to the time that I can stay here? — Yes, you must leave here before he comes back.
The witnesses ________ by the police just now gave very different descriptions of the fight.
________ in the early 20th century, the school keeps on inspiring children's love of art.
________ which university to attend, the girl asked her teacher for advice.
George returned after the war, only ________ that his wife had left him.
He got up late and hurried to his office, ________ the breakfast untouched.