Business or Pleasure

Unit 1 Introductions, present simple "to be", telephone numbers and
e-mail addresses

Unit 2 Present simple tense, talking about acommodations, numbers,
comparatives and superlatives

Unit 3 Hotel reservations and check-in, telling time, ordinal numbers,
prepositions of place

Unit 4 Invitations, present continuous, Konglish

Unit 5 Go/ play/do sports; present tense information questions,
prepositions of plce and time

Unit 6 Discussing preferences, multi-word verds
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(중략)
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Unit 15 Passive voice (sinple past), first conditional, "used to"

Unit 16 Causitive verbs, responding to complaints, tag questions

Unit 17 Second and third conditionals, prefixes

Unit 18 Cover letters, resumes, common interview questions

Answer key and additional material