A. surprise B. legend C. pound D. burning A. second-hand B. skill C. fatuous D. keep clear of A. have a look B. preserve C. promise D. half A. as B. clerical C. steamship D. machinery A. come out B. pour into C. exchange student D. plot A. bogged B. coin C. kung fu D. drawer A. must B. absolutely C. billion D. live on A. environmental B. fan C. district D. carbon dioxide A. risky B. cube C. sailing D. behave A. success B. Australia Day C. bulb D. dome