The key answer of exercise 8

Q1

In order:

• To introduce the topic
• to describe points supporting the main thesis
• to describe points against the main thesis
• to give the writer's opinion in a conclusion

Q2

• At the end, in the conclusion.
• The writer should not state their opinion earlier in the essay.

Q3

• contrastive → on the one hand, yet, but, conversely
• additive → also, a third point is that, and, finally
• exemplifying → such as
• cause-effect → as, thus
• other → that

Q4

Answer in endmatter p133