A. uniform B. scientific C. upstairs D. northern A. alongside B. Danish C. below D. piece A. retrace B. comet C. friend D. celebrate A. pasture B. keep fit C. slow down D. officer A. slam B. savannah C. smart D. textbook A. ping-pong B. green C. postcode D. Italian A. same B. pessimistic C. battlefield D. knowledgeable A. seaweed B. counteract C. rusty D. colour A. lovely B. dictation C. Chinese New Year's Eve D. August A. dog B. cloud C. cold D. worst