Answer:
The answers are:
1. Option C. Fila
2. Option B. Puerta de Embarque
Step-by-step explanation:
The first sentence states that the passengers wait in line (en fila) to check bags. This is the answer because to check bags all the passengers need to wait in orderly fashion to do so.
The second sentence reads that I have to board the plane and go out the boarding gate (puerta de embarque). This is the answer because in order to board the plane the passengers need to go through the boarding gate.