A. in excellent condition B. clean up C. robust D. pay attention A. humanity B. plough C. brilliant D. fridge A. in that case B. Summer Palace C. behind D. hit A. cheek B. messy C. serious D. risk A. worse B. entirely C. care about D. all alone A. in time B. look for C. flight attendant D. thresh A. thinking B. pale C. geometry D. surprising A. Arab B. ball C. glad D. agriculture A. round B. western C. blackboard D. care for A. phenomena B. human race C. adding machine D. side