Because, in practice, many books enough. Make the writing and thinking skills and writing skills.And I want to keep on the books are colorful, interesting? Like page 67, 78, 79 and lesson 5 instruction.
Because in the book are trained to do enough. The writing is the use of skills and thinking and writing skills.And I want to book some interesting colorful, such as page, 67 78 79 and, lesson 5 instruction.