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Intermediate Pack 6
Study 5 intermediate words, then test yourself with a short review quiz. Progress is saved on this device only, so students can use it without creating an account.
Guided pack
Study Intermediate Pack 6
0 of 5 words marked familiar. Your review pile is clear for now.
Word 1 of 5 - Intermediate Vocabulary
efficient
Working well with little waste.
Example: Public transport is more efficient in large cities.
Watch out: Efficient is about not wasting resources; effective is about achieving results.