A. engineering B. squall C. fervently D. compartment A. content B. madam C. interviewer D. grid A. invaluable B. baking C. said D. fluctuation A. tuck B. punchline C. mineral D. take apart A. cutting bit B. purchasable C. theirs D. spicy A. blood B. strata C. security D. breakthrough A. speed B. gusher C. mother D. keep a secret A. supper B. greenhouse C. whoever D. deteriorate A. patriotism B. speculation C. lava D. boring A. one another B. framework C. spoon D. haul