9. Many documents still remain to be waded through. (A) 許多文件仍需耐心閱讀。 (B) 許多資料袋仍需涉水運送。 (C) 許多文件仍需重新繕寫。 (D) 許多公文等待呈送。

19. 事非經過不知難。 (A) You are going to know how difficult anything is until you have tried it. (B) No one can tell how difficult the thing is if one has not tried it. (C) One cannot know the difficulty of a thing if he has experienced it. (D) Things do not pass through, so you don’t know the difficulty.