★ 능률(김) 7과 어법/어휘 선택, 빈칸 연습 Lesson 7 Finding Out the Wonders Hanji, Korea’s Paper (By/Until) 1966, no one knew (whether/that) the Mugujeonggwang Daedaranigyeong, the world’s oldest printed document, (lay/laid) inside a container at Bulguksa Temple in Gyeongju, Korea. Experts around the world (shocked/were shocked) ________ a document (printing/printed) more than 1,200 years ago could still be aro..