1.

What does Nelly explain? 

   The way she learns new words.
   How to keep a vocabulary notebook.

2.

What does she do whenever she finds a new word? 

   She writes it down.
   She writes it up.

3.

What key information does she put down? 

   Whether the word is a verb or a noun.
   Some examples of the new words and

whether they are verbs or nouns.

4.

How often does she study the new words? 

   Whenever she goes through her notebook.
   As often as she can do it.

5.

What learning method does she believe in? 

   By memorizing new words.
   By repeating new words.