--Do you often read English magazines?-- No because I find the words the magazines too ha

问题补充：

--Do you often read English magazines?

-- No, because I find the words the magazines too hard me to understand.

A. in, for

B. on, for

C. in, of

D. on, of

答案：

A. in, for

(答案→)B. on, for

C. in, of

D. on, of

解析：in表示在某个范围内；for为了、对于；of……的，表示所有关系；句意：你常常读英语杂志吗？——不，因为我发现这些杂志上的单词对于我来说 太难理解。故选B。