The correct answer is quieres because that is the conjugation of querer when the subject is tú.
Answer: Hablan
Explanation: B is hablamos, which will be used if it says we. C is habla, which is describing another person (singular). D is hablas, which is talking about you (tu). So the answer will be a, hablan, because it is talking about they, and in plural version. If its singular, it will be habla. Family consists of multiple members, so it wouldn’t be singular.
Me alegro de que ellos hayan hecho tanto bien como les enseña
It’s asking to fine the thing that’s is considered a material. For example, the first question you underlined “baloncesto” which means basketball. The next one would be “perro” which means ball. The next one would be “casa” which means house and so on.
