Question

【题目】His trouble is that he always makes mistakes _____ spelling English words.

A. on B. with C. in D. by

Answer 1

【答案】C

【解析】句意：他的麻烦是他总是在拼写英语单词方面出错。on在……上面，with和…..一起；in在某方面；by通过。表示在拼写英语单词方面，故用介词in。故选C。