Depends on the profession. For most, Spanish would be the most useful due to the increased amount of Spanish native speakers in the USA. But in girls of science or technology, possibly more Asian languages would help since East Asia is a big producer in those fields.
Adios amigo! Al rato te veo en la clase de español
bye friend! I’ll see you later in Spanish class
This question means What is the main idea of paragraph 12 and 13?
Translated: Carlos and Sofia travel with their teacher, a French student and a German student in El Salvador.
La rosa es roja.
Es listo el alumno.