A. global warming B. cobra C. calm down D. washing machine A. job B. haemolytic C. biologist D. beard A. publishing B. hypothesis C. annoy D. explanation A. jerky B. by subway C. jet lag D. Christmas tree A. Thank goodness B. postage C. in all directions D. punctuate A. do some research B. tide C. phonetics D. disorder A. biscuit B. presumptuous C. viper D. after school A. generous B. heat C. speculation D. edge A. game show B. literally C. source D. lay eggs A. astound B. defy C. football field D. vaccination