a three-level grammar series designed for intermediate students.

- Grammar boxes introduce key grammar points in interesting and easy-to-understand ways
- Carefully-designed exercises allow students to apply key grammar points in meaningful contexts
- Follow-up grammar drills help students check their understanding of grammar rules
- Writing tasks incorporate key grammar points and help boost students’ revising and editing skills
- Review tests and midterm/final tests allow students to evaluate their progress and reinforce
   what they have learned