A. skating B. bubble C. in pieces D. horse A. fall behind B. expose C. have a party D. king A. salt B. tortoise C. thanks D. Chinese book A. sofa B. mall C. academy D. amazing A. moveable B. sock C. reform D. carving A. in conclusion B. be divided into C. unsmiling D. play A. lay B. exotic C. home D. vital A. sad B. cushion C. aboard D. go into hiding A. cat B. care for C. interest D. cast down A. brand B. fail C. forty D. valid