When a person presents a message in a formal manner, he or she is engaging in public communication.
Public communication refers to the type of communication wherein a message is presented by one person or a group to another group in a formal manner. In a public sphere, the individuals or group engage in a dialogue to deliver a message.
Answer: they establish a comparison between two related ideas
<span>A.
future
B.
future perfect
Can't remeber</span>
It says “a” so it’s not “a weeks vacation” so it must be “a week’s vacation”