-books 1-2-3-4 Audio- - Essential English For Foreign Students

The books are designed to be studied sequentially, with each volume representing roughly one year of work and building a vocabulary of approximately by the end of the series.

Beware of PDF-only listings without audio. The audio is 50% of the value. If a seller cannot prove audio files exist, do not buy. essential english for foreign students -books 1-2-3-4 audio-

: Based on the General Service List of English Words , rising to roughly 3,000 words. The books are designed to be studied sequentially,

Present perfect tense, passive voice, conditionals (Type 0 and 1). rising to roughly 3