A. hard-working B. tiring C. thanks D. chameleon A. space station B. prevent C. fiction D. ask for help A. yummy B. picnic C. digital D. north A. Mrs B. feed C. fully D. Britain A. embarrassed B. kg C. pump D. leader A. Australia B. process C. human race D. position A. victory B. make fun of C. starvation D. cure A. live B. truck C. rabbit D. tough A. spell B. aah C. blanket D. noise A. enemy B. cellphone C. meal D. wheelbarrow