Here are the correct answers for your questions:
Question 11: Laura ____________ en la clase de Español.
- Answer: está
Question 12: Los relojes ____________ encima de la puerta.
- Answer: están
Question 13: ¡Hola! ¿Cómo ________ usted hoy?
- Answer: está
Question 14: This is the way to say SOME chairs in Spanish.
- Answer: Unas sillas
Question 15: This is the way to say THE Students in Spanish.
- Answer: Los estudiantes
Question 16: These are the MASCULINE articles in Spanish and mean a/an/some/few.
- Answer: Un, Unos
Question 17: These are the FEMININE articles and mean THE in Spanish.
- Answer: Las, La
Question 18: This is how to make El lápiz plural in Spanish. **Think about rules when it ends in a Z.
- Answer: Los lapices
Question 19: This is how to make La bandera plural in Spanish. **Think about rules when it ends in a vowel.
- Answer: Las banderas
Question 20: This is how to make El papel plural in Spanish. **Think about rules when it ends in a consonant.
- Answer: Los papeles
Let me know if you need further assistance!