Too is a word meaning excessive or excessively, . For example, too much, too many, too large, too heavy. It can also be used as an alternative to "also" or "as well," e.g. "He is very tall, and...
We can use "has" when we have to represent a thing that someone else has.for example:- He has a pen."Have" is used to represent a thing that we have.for example:- I have a pen.
If you use a word-for-word quote you put you put the quoted material in quotation marks. For instance "what you do if you use a word for word quote" then you would put were your found the quote
regarding refers to an object (subject matter) eg : regarding the assignment according refers to a view point of a person eg According to Mr. Koch the moon has water.