He is very; it is impossible to talk him into doing anything he doesn’t want to.A. stubbor

问题补充：

He is very; it is impossible to talk him into doing anything he doesn’t want to.

A. stubborn

B. curious

C. skeptical

D. gracious

答案：

(答案→)A. stubborn

B. curious

C. skeptical

D. gracious

解析：A. stubborn固执的，B. curious好奇的，C. skeptical 怀疑的，D. gracious亲切的，和蔼的，句意：他很固执，是不可能说服他做不愿意做的事情的。所以选A。