A. headache B. white C. tradition D. give away A. biogas B. duck C. boast D. purple A. mini-world B. black C. change D. muzzle A. someday B. green C. silk worm D. SARS A. doorknob B. silver C. fossil D. apply A. digest B. yellow C. facility D. in the daytime A. boxer B. washing machine C. hip D. red A. paradox B. diving C. orange D. come about A. unfit B. fresco C. pink D. tadpole A. look out for B. brown C. south-east D. fashion show