For the first red, you don't need an article before "relationship".
When you're saying "type of [word]", do not put any article before that word.
Example: "a type of device"
Not too sure about the "your back" parts. It could be your teacher does not like repition.
Also not too sure about "did". He probably wanted you to use the word "felt" instead of "did feel"
The first word of the last paragraph should be "in" not "at".
The red commas definitely do not need to be there.
Don't know why he marked "time to" and "to" red.
The answer is B: speaking to a friend
Answer: i help?
Explanation: Firstly, plan what to write before you start writing so you know you have included all the relevant information. For example, make sure you have all the account information the bank needs.
Secondly, keep it simple and concise. Don’t write the same thing twice, and edit out any unnecessary information.
Finally, add the standard business greetings and endings.
