A. seismometer B. hen C. first floor D. favorite A. writing paper B. the poor C. ski D. emigrate A. revealer B. best-known C. ground floor D. solve A. ensue B. driftnet C. titanic D. door A. decision B. take a trip C. fickleness D. knock on the door A. next door B. breathless C. Chinese paper-cutting D. dimension A. good idea B. once or twice C. prescription D. indoor A. from B. quintuplet C. influential D. outdoor A. ripen B. story C. disk D. sweep the floor A. lost and found office B. second floor C. reduce D. morning tea