目录
Unit 1 Meeting People .
Unit 2 Thanking People
Unit 3 Making Apologies
Unit 4 Asking for Permission
Revision 1 (Unitsl-4)
Unit 5 Expressing Wishes and Congratulations
Unit 6 Making Requests
Unit 7 Extending an Invitation
Unit 8 Saying Goodbye
Revision 2 (Units 5-8)