填空题 She is furious (of) her son' s grades in school, (which) explains why Mark is jealous (of) Julia's high marks (on) the exam. A. of B. which C. of D. on
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【正确答案】 1、A应改为with或at。    
【答案解析】[解析] furious意为“狂怒的”，后面应接with或at。