A. encourage B. entrust C. trust D. utilize
A. in B. out C. up D. away
A. in B. to C. upon D. on
A. vent B. open C. relieve D. relax
A. excessive B. poisonous C. toxic D. deadly
A. variety B. array C. ray D. chain
A. make B. form C. take D. foster
A. dropped in B. moved away C. dropped for D. moved forward
A. off hand B. with hand C. at hand D. before hand
A. dense B. compressed C. concentrated D. closed