A. Niagara Falls B. drainage C. wildlife D. icy A. satisfying B. constant C. pretty well D. whale A. shock B. in particular C. absent D. How about A. in response to B. conquer C. stay at home D. pitfall A. nonsense B. advantage C. stairs D. make a mess A. correlate B. awkward C. exhaust D. have in common A. be afraid of B. make a deal C. happening D. meanwhile A. stereo B. mammal C. struggle D. silt A. let's B. run away C. bookshop D. genuine A. orange B. script C. youngster D. Cuba