Question:  តើអ្វីទៅជាតំបន់ទីក្រុងធំជាងគេនៅសហរដ្ឋអាមេរិក
Answer: Khu vực đô thị Los Angeles; មហាហ៊ូស្តុន; ดัลลัส - ฟอร์ตเวิร์ธ - อาร์ลิงตัน; Chicago metropolitan area; New York metropolitan area