A. USA B. cost C. grass-seed D. hot A. other B. sock C. energy D. professor A. head-on B. blue C. come up with D. fickleness A. keep doing B. ray C. indiscriminate D. fifty A. justice B. I C. well-paid D. thirteenth A. set about B. orange C. attention D. commercial A. bought B. invite C. eleventh D. savannah A. extreme B. fit for C. pour into D. cook A. evaluate B. are C. cash crop D. a kind of A. entirely B. boy C. vanished D. vacation