The search for is understandable. Spanish grammar is hard. Verb conjugations are tedious. But the answer key is a mirror, not a magic wand. It shows you where you are strong and where you are weak.
The search for is not inherently negative. It depends entirely on how the student uses the resource. Copying answers to complete homework is a shortcut that leads to failure in exams and a lack of language retention. However, using answers as a learning tool is highly effective. cuaderno de practica descubre 1 answers