The key answer of exercise 7

a)

c) Change the things you can

b)

1. student magazine (because it's informal in tone and style)
2. give advice (the author offers ideas on how best to behave in different situations)
3. beginning

c)

1. T → I've often made that mistake and lived to regret it.; That's how I managed to get a promotion recently after a long fight for justice.; For example, once someone bumped into my car and drove away, and I couldn't really do anything about it ...
2. T → There are eight examples of you in the first paragraph; you, me, I and my are all used several times throughout the article.
3. F → Examples come throughout the text, e.g. it's and you're in the second paragraph; it's, Don't, that'll, I've and That's in the third paragraph.
4. T → The tone is generally conversational, e.g. Do you hate it when people treat you unfairly?; I've often made that mistake and lived to regret it.; That's how I managed to ...; For example, once someone bumped into my car and ..., etc.
5. T → Examples in the article include First of all, Second and Finally.
6. T → Do you hate it when people treat you unfairly?
7. F → Examples in the article include miss out on and stand up for.
8. F → There are no examples of the passive in the article.