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请帮忙检查语法.wehavemodifiedthewordfrom"a"to"A"whichisalsocorrect.

题目详情
请帮忙检查语法.
we have modified the word from "a" to "A" which is also correct.
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答案和解析
同意楼上,word 应该改letter
we have modified the letter from "a" to "A" which is also correct.
我们把a由小写变成了大写,这样也对.