A. vase B. sign C. dialysis D. eve of the Spring Festival A. prove B. fail C. director D. careful A. faintly B. traffic C. wool D. bake A. secure B. applaud C. hopeless D. bright A. measurement B. water ski C. dressmaker D. pub A. nucleus B. pencil box C. invaluable D. bill A. scientific B. dreary C. fossil D. ticket A. appear B. twenty-one C. inclination D. my pleasure A. error B. forgetful C. park D. so much A. stocking B. decrease C. leap D. Benz