Verb conjugation of "esplodere" in Italian

The third and forth largest economies in the world are growing due to the fact that the countries were investing large resources in education, including foreign language acquisition. English, in this case, was the dominant language.
It certainly is one of the reasons that a student from abroad is not as good in English as people who were born in America. This is an obstacle for all students and a challenge for the educational system.
The prices for one ticket for category number 2, in row number 15 is what I have told you on the phone (about $ 500 per ticket). Tickets are in block D5, with balcony, all tickets are side by side.