Keywords are words that occur particularly frequently in one particular genre. They are therefore important words to learn. 

Try this task to see an example of keywords.

Task 1

Look at the keyword clouds below and choose the correct Genre Family.

Exercise

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Comments

NObody understand

And why the answer of keywords B shouldn't is "Explanations"?

I can't understand the answer for keywords C. Why the answer can't be a Essay?

Thanks!