make an answer

I decided I should make an answer to thee-mail to tell him or her that Uncle was dead.

我觉得我应该对这封邮件做一个答复告诉他或她伯父死了。

He deliberated the question, before he make an answer.

在答复之前，他仔细考虑了一下这个问题。

It is impossible and dispensable to make an answer to satisfy everybody completely about What Mathematics Is.

不可能也没有必要对“数学是什么”做出一个令所有人都完全满意的回答。

I would like to know this about you, if you will be so kind as to make an answer.

我想知道你这一点，如果你将这么样，跟你的回答一样。