Answer:
B
Explanation:
The verb being used in all these sentences is ir ( to go). The conjucations for ir are:
Yo voy
Tú vas
Él, ella, usted va
Nosotros vamos
Vosotros vais
Ellos, ellas, ustedes van
Let's analyze the answer choices.
A. Yo vas al dormitorio
This is incorrect. The conjugation for yo is "voy" not "vas".
B. Tú vas al dormitorio.
This is correct. The conjugation for tú is vas.
C. Ella vas al dormitorio.
This is incorrect. The conjugation for ella is "va" not "vas".
D. Usted vas al dormitorio.
This is incrrect. The conjugation for usted is "va" not "vas".
Therefore, the correct answer is B: Tú vas al dormitorio.