A. watch out B. day and night C. second floor D. family tree A. captain B. be known for C. worry about D. sick A. revealer B. female C. Hong Kong D. flu A. stewardess B. branch C. X-ray D. reporter A. lie down B. telephone C. underclothes D. match A. through B. waterfall C. dentist D. washroom A. extent B. back C. dairy D. hey A. survey B. roughly C. check D. happy birthday A. wrestling B. essential C. carving D. fever A. one another B. lie C. customs D. be full of