A. environmentalist B. terminal C. coordinate D. children A. injure B. restroom C. horizontal D. sum A. the UK B. zebra crossing C. throw D. nightfall A. policeman B. gum C. temporarily D. monkey A. hydro-electric B. packing C. under D. ever since A. housework B. International Labor Day C. exhibition D. boat A. lake B. decision-making C. sportswear D. eerie A. Asian B. bathroom C. socialist D. headache A. endearing B. dream of C. wrong D. mighty A. watermelon B. teapot C. tough D. learned