Вот несколько общих вопросов, которые можно задать по поводу "сандвичей в ланч-боксе":

How many sandwiches are in the lunch box?Are there any sandwiches in the lunch box?What kind of sandwiches are in the lunch box?Did you make the sandwiches in the lunch box?Are the sandwiches fresh in the lunch box?Can I have a sandwich from the lunch box?Who packed the sandwiches in the lunch box?Are the sandwiches wrapped in the lunch box?Are there any vegetarian sandwiches in the lunch box?Is there a drink included with the sandwiches in the lunch box?

Если вам нужна дополнительная помощь, не стесняйтесь спрашивать!