21ÊÀ¼ÍʵÓÃÓ¢Óï×ۺϽ̳Ì:4

Unit 1 The Language for Making a PromiseMaking a PromiseFollow-up PracticeUnit 2 The Language for Expressing Certainty and UncertaintyExpressing Certainty and UncertaintyFollow-up PracticeUnit 3 The Language of PersuasionPersuading SomeoneFollow-up PracticeUnit 4 The Language of IntentionAsking About and Stating IntentionFollow-up PracticeUnit 5 The Language for Taking OpportunitiesTaking OpportunitiesFollow-up PracticeUnit 6 The Language for Expressing Encouragement & Encouraging Someone to Keep Working at a JobExpressing Encouragement & EncouragingSomeone to Keep Working at a JobFollow-up PracticeUnit 7 The Language of Deduction and InferenceMaking Deductions and InferencesFollow-up PracticeUnit 8 The Language of Congratulations and Good WishesOffering Congratulations and Good WishesFollow-up PracticeGlossary