As students we have many duties to perform with improving our ability to learn . A. in s

问题补充：

As students, we have many duties to perform, with improving our ability to learn .

A. in special

B. in advance

C. in practice

D. in particular

答案：

A. in special

B. in advance

C. in practice

(答案→)D. in particular

解析：句意：作为学生，我们有许多职责去做，尤其是提高我们的学习能力。in advance 提前；in special特别；in practice在实际上；in particular尤其。根据句意故选D。