单项选择题
A．she reduces the costs of movie making B．she makes scenes look real C．she makes destroyed things reusable D．she protects their work from being destroyed
A．Someone who has spent two years at a library school. B．A university graduate, who talks softly and reads a lot of books. C．Someone who has passed an examination and is rather old. D．Someone who has trained as a librarian and has previously worked in a library.
A．two years' B．two-year C．two years D．two year's