简答题A compulsive gambler refers to a person who is ______ to gambling. A addicted B attached C opposed D appealed简答题Perplexity is a feeling of being ______ and frustrated because you do not understand something. A worried B confused C humiliated D offended简答题In the phrase "an obtrusive scar", the word "obtrusive" means ______. A offensive B noticeable C inevitable D impressive简答题If something is beckoning, it is so ______ to people that they feel they must become involved in it. A frightening B confusing C complicated D attractive