A. learn B. superior C. critic D. number A. had better B. comfortable C. thing D. come up A. applicant B. patent C. smell D. star sign A. comfortably B. airport C. slogan D. porter A. turning B. ahead C. material D. protect from A. hardworking B. encourage C. tent D. deliberately A. agree B. solitary C. exclaim D. appreciate A. creep B. persuasion C. flaw D. acute A. make sure B. field C. south-east D. crucible A. right B. Chinese paper-cutting C. bread D. interstellar