A. knock on B. derrick C. coral D. colleague A. health B. forty-four C. forecast D. earn one's living A. sutra B. overwhelm C. geologist D. take into A. throng B. output C. there is D. circulate A. family B. dye C. boring D. primary A. convention B. turbulent C. topical D. entranced A. futile B. eddy C. in terms of D. go cycling A. supersonic B. nearby C. multiply D. cheekbone A. speculative B. exquisite C. catastrophe D. centimeter A. native B. coring bit C. tent D. play a part