A. features B. appearances C. virtues D. characteristics
A. diver B. diversify C. diverse D. diversity
A. undertake B. underlie C. underestimate D. undermine
A. coincidence B. harmony C. uniform D. alliance
A. noble B. flexible C. liberal D. liable
A. enough B. capable C. sufficient D. realistic
A. undertake B. undergo C. underrate D. underlie