A. that B. falter C. develop D. species A. catch up B. frantically C. kilogram D. not A. habitat B. jog C. intrigue D. dog A. tiger B. voyage C. radioactivity D. chaos A. torch B. greenhouse C. bow and arrow D. cow A. no B. experiment C. in fear of one's life D. obvious A. cat B. pale C. tramp D. wallet A. by accident B. horse C. slow down D. obtain A. packing B. take a look at C. distinct D. look A. justifiably B. hull C. it D. perception