I opened the letter and there was__inside. A. important informations B. some important information C. many important informations D. an important information 17. This is ____ reading-room. A. the student's B.student's C.the students' D.students' 18.Washington succeeded in setting up a ____ of their own. A. people B. nation C. country D. state 19.All the students were greatly encouraged by that inspiring speech of ____. A. a soldier's B. the soldiers' C. the soldier's D. the soldier 20. Have you ever read any books ____? A. of Luxun's B. of Luxun C. of Luxuns' D. of the Luxun