题目内容
单句改错
下句都有一处错误，指出并改正。
He has tried many treatments of skin disease. ________
答案：
解析：
解析：
|
改 of为for |
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题目内容
单句改错
下句都有一处错误，指出并改正。
He has tried many treatments of skin disease. ________
|
改 of为for |