A. trough B. Well done C. chameleon D. carpet A. cap B. turn down C. physicist D. cautious A. businessman B. congratulate C. panda D. in the evening A. black B. achievement C. since D. electric shock A. an B. accelerate C. get out D. gaily A. dance B. both C. area D. now A. look B. truck C. grammar D. headline A. stay up late B. look like C. green D. turbulent A. geography B. date C. porpoise D. yellow A. dog B. incidentally C. box D. particularly