Specifically, as long as it is a basic exercise, because the most important thing is the foundation, and it is very important to consolidate the foundation. When reviewing in senior three, the teacher suggested that we buy "Make a mountain out of a molehill" and practice making a mountain out of a molehill, because in the exam, basic minor problems are very important.

Since high school, I found that all the reference books are similar, the homework I bought is similar, and the model is the same, so I don't recommend it specifically.