A. characteristic B. on holiday C. pest D. bring down A. apron B. show around C. yourself D. privately A. radium B. extent C. forwards D. sample A. rice B. polar bear C. analyse D. foreigner A. allergic B. challenge C. Muslim D. bald A. reaction B. revolution C. unpack D. painter A. positive B. subtitle C. make a list D. sort A. scientific B. umbrella C. Hong Kong D. build up A. loop B. in English C. hybird rice D. sort out A. in charge B. faith C. bronchitis D. reject