A. pester B. coin C. researcher D. evolve A. sister B. champion C. unpredictable D. help yourself A. lifestyle B. volcanic C. fright D. Austria A. technique B. adapt C. chart D. jogging A. parallel B. viper C. desk D. border A. crystal B. sceptical C. ideal D. inquire A. drama series B. wit C. hairy D. unlikely A. starfruit B. nail C. valley D. head-on A. disembark B. destruction C. hospitable D. pollute A. do some cleaning B. dive C. colour-blind D. take notice of