题目内容：

改错To be well-informed ,reading widely is necessary .

优质解答

To be well-informed,one need to read widely.
要想见识广,广泛阅读非常必要.
“To be well-informed”的逻辑主语是“人”,不是“reading widely”,因此要添加主语one.

追问：

need 不需要加s吗？ To be well-informed, one needs to read widely.

追答：

当然要加s了 嘻嘻