A. introduce B. catastrophe C. sweet D. amount A. toe B. mainstream C. only D. turn on A. world-famous B. baby C. jacket D. traditional A. since then B. laugh C. open up D. theatre A. a lot B. twelfth C. colour-blind D. incessantly A. depend on B. cabbage C. by means of D. improbable A. kangaroo B. brake C. August D. have difficulty doing A. cereal B. servant C. couldn't D. cola A. proud B. close to C. funny D. revive A. seventy B. frantically C. not at all D. bridge