A. over and over again B. thinner C. smart D. it A. penguin B. Thanksgiving C. African D. propulsion A. moot B. floor C. detect D. kind A. ill B. else C. underestimate D. music class A. exciting B. stop C. around D. gravity A. belt B. the Antarctic C. fish D. insidious A. by subway B. ow C. fussy D. Asia A. thinking B. pyjama C. famous D. Morocco A. glue B. meaningless C. university D. employ A. collection B. upstairs C. hiking D. lay the table