The second one, "A sample of policies were tested."
The correct grammar is "Between you and me."
It is correct.
no_____If the sentence is You do do that (meaning You are in the habit of doing that) the grammar is perfectly correct and the sentence 'does have correct grammar'.
The correct sentence is: "Have you ever traveled before?"
shone
No
was arrested
The correct grammar for the sentence is: "Please note that this letter is merely an inquiry regarding your interest and availability."
The expression "suppose to" isn't correct. It should be "supposed to"
There is a mistake in your bill.
I believe it is "have"
I enclosed letters for Nadine and you.