A. classmate B. impact C. the Arctic D. counter A. offer B. sit C. respectful D. bond A. construct B. job C. grain D. crowd A. correlate B. crystal C. archaeology D. manager A. expertise B. admission C. league D. forget A. paw B. shock C. recognize D. beer A. during B. literally C. Berlin D. till A. on time B. drop C. on top of D. serve A. trip B. disloyalty C. prevailing D. through A. beard B. hinder C. remain D. explain