——How do you study a test ? ——I study working a group.A. for in withB. for by atC. fo

问题补充：

——How do you study a test ?

——I study working a group.

A. for, in, with

B. for, by, at

C. for, by, with

D. of, in, by

答案：

A. for, in, with

B. for, by, at

(答案→)C. for, by, with

D. of, in, by

解析：for为了，对于；in在里面，用某种语言；with带有，伴随，用某种工具；by到……为止，用某种方式。句意：为了考试，你如何学习？——我通过和小组合作学习。结合语境可知选C。