He was stupefied by the changes after many years."stupefied" means:
A. attracted
B. interested
C. surprised
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Haley studied her, an enigmatic smile on his face."enigmatic" means:
A. happy
B. subtle
C. mysterious
Based on their researches on heart diseases, cardiologists now advise people to exercise more."cardiologists" means:
A. heart specialists
B. sports trainers
C. social researchers
Ivory trade is one of Africa's oldest, most lucrative, and now most debatable export trades."lucrative" means:
A. profitable
B. productive
C. proficient
His mother raised him alone, fostering his interest in arts."fostering" means:
A. guiding
B. discovering
C. nurturing