Question

【题目】As students, ____ we have made full use of our time to study, there’s still room for improvement.

A. how B. which C. while D. as

Answer 1

【答案】C

【解析】

试题分析: 句意：作为学生，虽然我们充分利用时间学习，我们仍然有提高的空间。主句和从句之间是转折关系，故选C项。