A. vitamin B. go sightseeing C. sorry D. board A. key ring B. carrot C. unpaid D. bread A. collection B. be known as C. put in D. dark A. bus B. Thank goodness C. census D. trick or treat A. accomplish B. pen pal C. aggravate D. well A. turn on B. crater C. Internet D. user-friendly A. why B. Halloween C. web D. steak A. host B. metaphor C. device D. give A. park B. light C. in time D. overtake A. soup B. traffic light C. for sure D. mean