商品簡介
• A 5-level, very-intensive primary course with material for 10+ hours of English per week. A new, improved edition of a popular primary course.
• Three readings per unit help students develop academic skills in a clear and consistent sequence.
• New Cornerstone is a flexible reading and language development program that accelerates student achievement through
scaffolded, sustained instruction and language development strategies.
• It helps gain the highest level of language proficiency and academic success.
