If you cannot study the above lists, you should develop your own list.
Whenever you read formal English, such as a passage from a textbook or a
magazine, copy sentences that have unfamiliar words in them
and study the definitions of the new words.
Because vocabulary on the TOEFL is vocabulary in the context of a
sentence, it is important to study the sentences in which the
words appear and concentrate on them.
Below you will find a list of 15 articles which
we highly recommend you read before taking the TOEFL Test
Evaluation # 3 (You can also print them out to read while you commute to