Either the boy or his sister must have dinner here.
She said she learned a lot in her university courses, but she learned _______ in school-based professional development.
It was not until the age of 60 ______ William Steig discovered his talent for writing children’s books.
To everyone’s surprise, such important and top urgent information has been ______, but the police are reported to be looking into the case.
Tom Williams, _____scientist of the British Association for the Advancement of Science, is one of _____ kind of persons who can give you _____ hand whenever you are in trouble.
―May I take your order now?―_________―OK, I’ll come back in a few minutes.