Mary is astudent She studies.A. good;goodB. good;wellC. welll; goodD. well;well

问题补充：

Mary is astudent She studies.

A. good;good

B. good;well

C. welll; good

D. well;well

答案：

A. good;good

(答案→)B. good;well

C. welll; good

D. well;well

解析：根据student“学生”是名词，需要形容词修修饰，故用good；又因为study是动词，需要副词修饰，故用well。所以本题选B。