agree with、agree on、agree to
它们几个区别在哪里呢？
1.agree with
to think that something is morally acceptable
同意某人的想法，意见
我们可以常见这样的用法：agree with somebody (on something)
We agreed with him on this issue.
在这个问题上，我们都同意他的看法。
I don’t agree with hitting children.
我并不同意打小孩。
2.agree on
to have the same opinion as someone else
在双方或者多方在经过协商、商量之后，达成相同的看法与主意
agree on经常会有一个争论或者协商的过程，而且经常会伴随之后共同去执行某事
After they bargained for 30 minutes, they finally agreed on the price.
在经过30分钟的讲价之后，他们终于协商好最终价格。
We agreed on the date of the test.
我们一致同意了考试的日子。
3.agree to
to accept something
同意去接受某个事情
agree to很多时候用于不得不去接受某个事情（有可能本来并不乐意）
Both sides in the conflict have agreed to the terms of the peace treaty.
闹矛盾的双方最终同意缔结平等条约。
Mrs Lee agreed to postpone the test.
李老师同意延迟考试。
