It looks like you're working with the ¡En español! 3 textbook (published by McDougal Littell).
What Topics are Covered in Unidad 3 Etapa 3 Cuaderno Mas Practica? unidad 3 etapa 3 cuaderno mas practica answers repack
Si quieres, sube fotos de las páginas específicas del cuaderno y escribo respuestas exactas y verificadas para cada ejercicio. It looks like you're working with the ¡En español
The verbs querer (to want) and preferir (to prefer) change their stem in all forms except nosotros and vosotros. Yo prefiero (preferir) los pantalones azules. Nosotros queremos (querer) ir al centro comercial. Ellas prefieren (preferir) la ropa de verano. III. Los Números (100–1000) Si quieres, sube fotos de las páginas específicas
The results were a graveyard. Quizlet sets with half the answers wrong. A defunct blog called "Spanish with Señor Sparkle." A Reddit thread from 2016 where the only reply was "lol just do it yourself."