A. rubbish bin B. sang C. conquer D. ha ha A. submerge B. take the place of C. technique D. taxi A. hide-and-seek B. trickle C. colossal D. outside A. insurance B. scary C. street D. applaud A. paragraph B. cosmology C. help D. come across A. its B. sales assistant C. eyebrow D. determination A. best-known B. telephone C. dock D. sick A. user B. long C. dirty D. thinker A. capacity B. cab C. tea D. savannah A. spill B. murder C. explore D. say thanks to