Track 1

Track 04

Track 26

Track 16

4500 Key English Words is a four-book series for intermediate
students, designed to reinforce and expand their foundation
of vocabulary. The words presented in each level of 4500 Key
English Words, when combined with the vocabulary words
covered in its partner series, 1200 Key English Words, provide
students with a working vocabulary of 4,500 practical,
high-frequency English words.

Unit 13

Global English Education Company

Seed Learning Inc. was established to provide the best language learning products and service for the development of resources to match the needs of English learners in the 21st century.

Unit 13

Seed Learning

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