Analyze the context:
The more students read, the better their vocabulary becomes. And the more vocabulary they know,
the better they can read. […] Teachers can do a lot to enhance vocabulary building. They can teach
students how to:
I - Study and learn words effectively, choose new words they want to learn, and use a dictionary;
II - Keep a vocabulary notebook—with sentences, syllable break-downs, and definitions;
III - Make and use word study cards;
IV - Review their word study cards—alone, without a partner, and always at class. (By Beatrice S.
Mikulecky)
Observing the topics above, it is correct the option: